Home / 10,542,221.60-15,813,332.40-6,231,207.20

Finding the Fourth Proportional to 10,542,221.60, 15,813,332.40 and 6,231,207.20

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Solution

The fourth proportional to 10,542,221.60, 15,813,332.40 and 6,231,207.20 is: 9,346,810.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,542,221.60 : 15,813,332.40 = 6,231,207.20 : x
  2. Step 2: Convert to fraction form
    10,542,221.60/15,813,332.40 = 6,231,207.20/x
  3. Step 3: Cross multiply
    10,542,221.60x = 15,813,332.40 × 6,231,207.20
  4. Step 4: Simplify right side
    10,542,221.60x = 98,536,150,706,873.28
  5. Step 5: Solve for x
    x = 98,536,150,706,873.28/10,542,221.60
  6. Step 6: Final answer
    x = 9,346,810.80

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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.