Home / 7,665,890.40-11,498,835.60-7,612,746.30

Finding the Fourth Proportional to 7,665,890.40, 11,498,835.60 and 7,612,746.30

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Solution

The fourth proportional to 7,665,890.40, 11,498,835.60 and 7,612,746.30 is: 11,419,119.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,665,890.40 : 11,498,835.60 = 7,612,746.30 : x
  2. Step 2: Convert to fraction form
    7,665,890.40/11,498,835.60 = 7,612,746.30/x
  3. Step 3: Cross multiply
    7,665,890.40x = 11,498,835.60 × 7,612,746.30
  4. Step 4: Simplify right side
    7,665,890.40x = 87,537,718,168,208.28
  5. Step 5: Solve for x
    x = 87,537,718,168,208.28/7,665,890.40
  6. Step 6: Final answer
    x = 11,419,119.45

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Half scale
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Double scale
Find fourth proportional to 7,665,891.40, 11,498,837.10 and 7,612,747.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.