Home / 15,070,888.20-20,801,891.12-9,843,785.52

Finding the Fourth Proportional to 15,070,888.20, 20,801,891.12 and 9,843,785.52

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Solution

The fourth proportional to 15,070,888.20, 20,801,891.12 and 9,843,785.52 is: 13,587,079.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,070,888.20 : 20,801,891.12 = 9,843,785.52 : x
  2. Step 2: Convert to fraction form
    15,070,888.20/20,801,891.12 = 9,843,785.52/x
  3. Step 3: Cross multiply
    15,070,888.20x = 20,801,891.12 × 9,843,785.52
  4. Step 4: Simplify right side
    15,070,888.20x = 204,769,354,523,817.84
  5. Step 5: Solve for x
    x = 204,769,354,523,817.84/15,070,888.20
  6. Step 6: Final answer
    x = 13,587,079.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.