Home / 11,654,890.10-17,482,335.15-7,119,926.90

Finding the Fourth Proportional to 11,654,890.10, 17,482,335.15 and 7,119,926.90

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Solution

The fourth proportional to 11,654,890.10, 17,482,335.15 and 7,119,926.90 is: 10,679,890.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,654,890.10 : 17,482,335.15 = 7,119,926.90 : x
  2. Step 2: Convert to fraction form
    11,654,890.10/17,482,335.15 = 7,119,926.90/x
  3. Step 3: Cross multiply
    11,654,890.10x = 17,482,335.15 × 7,119,926.90
  4. Step 4: Simplify right side
    11,654,890.10x = 124,472,948,309,300.53
  5. Step 5: Solve for x
    x = 124,472,948,309,300.53/11,654,890.10
  6. Step 6: Final answer
    x = 10,679,890.35

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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.