Home / 21,306,502.40-31,944,007.20-11,732,691.20

Finding the Fourth Proportional to 21,306,502.40, 31,944,007.20 and 11,732,691.20

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Solution

The fourth proportional to 21,306,502.40, 31,944,007.20 and 11,732,691.20 is: 17,590,365.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,306,502.40 : 31,944,007.20 = 11,732,691.20 : x
  2. Step 2: Convert to fraction form
    21,306,502.40/31,944,007.20 = 11,732,691.20/x
  3. Step 3: Cross multiply
    21,306,502.40x = 31,944,007.20 × 11,732,691.20
  4. Step 4: Simplify right side
    21,306,502.40x = 374,789,172,168,176.62
  5. Step 5: Solve for x
    x = 374,789,172,168,176.62/21,306,502.40
  6. Step 6: Final answer
    x = 17,590,365.85

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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.