Home / 21,935,747.60-30,275,016.20-12,773,792.24

Finding the Fourth Proportional to 21,935,747.60, 30,275,016.20 and 12,773,792.24

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Solution

The fourth proportional to 21,935,747.60, 30,275,016.20 and 12,773,792.24 is: 17,629,978.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,935,747.60 : 30,275,016.20 = 12,773,792.24 : x
  2. Step 2: Convert to fraction form
    21,935,747.60/30,275,016.20 = 12,773,792.24/x
  3. Step 3: Cross multiply
    21,935,747.60x = 30,275,016.20 × 12,773,792.24
  4. Step 4: Simplify right side
    21,935,747.60x = 386,726,767,001,434.31
  5. Step 5: Solve for x
    x = 386,726,767,001,434.31/21,935,747.60
  6. Step 6: Final answer
    x = 17,629,978.88

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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.