Home / 7,447,210.20-11,170,815.30-4,612,858.20

Finding the Fourth Proportional to 7,447,210.20, 11,170,815.30 and 4,612,858.20

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Solution

The fourth proportional to 7,447,210.20, 11,170,815.30 and 4,612,858.20 is: 6,919,287.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447,210.20 : 11,170,815.30 = 4,612,858.20 : x
  2. Step 2: Convert to fraction form
    7,447,210.20/11,170,815.30 = 4,612,858.20/x
  3. Step 3: Cross multiply
    7,447,210.20x = 11,170,815.30 × 4,612,858.20
  4. Step 4: Simplify right side
    7,447,210.20x = 51,529,386,957,290.47
  5. Step 5: Solve for x
    x = 51,529,386,957,290.47/7,447,210.20
  6. Step 6: Final answer
    x = 6,919,287.30

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Double scale
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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.