Home / 7,338,686.40-11,008,029.60-6,554,865.60

Finding the Fourth Proportional to 7,338,686.40, 11,008,029.60 and 6,554,865.60

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Solution

The fourth proportional to 7,338,686.40, 11,008,029.60 and 6,554,865.60 is: 9,832,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338,686.40 : 11,008,029.60 = 6,554,865.60 : x
  2. Step 2: Convert to fraction form
    7,338,686.40/11,008,029.60 = 6,554,865.60/x
  3. Step 3: Cross multiply
    7,338,686.40x = 11,008,029.60 × 6,554,865.60
  4. Step 4: Simplify right side
    7,338,686.40x = 72,156,154,548,821.75
  5. Step 5: Solve for x
    x = 72,156,154,548,821.75/7,338,686.40
  6. Step 6: Final answer
    x = 9,832,298.40

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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.