Home / 17,680,860.30-26,521,290.45-15,555,096.30

Finding the Fourth Proportional to 17,680,860.30, 26,521,290.45 and 15,555,096.30

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Solution

The fourth proportional to 17,680,860.30, 26,521,290.45 and 15,555,096.30 is: 23,332,644.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,680,860.30 : 26,521,290.45 = 15,555,096.30 : x
  2. Step 2: Convert to fraction form
    17,680,860.30/26,521,290.45 = 15,555,096.30/x
  3. Step 3: Cross multiply
    17,680,860.30x = 26,521,290.45 × 15,555,096.30
  4. Step 4: Simplify right side
    17,680,860.30x = 412,541,226,950,020.31
  5. Step 5: Solve for x
    x = 412,541,226,950,020.31/17,680,860.30
  6. Step 6: Final answer
    x = 23,332,644.45

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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.