Home / 22,569,793.20-31,155,848.16-15,237,557.28

Finding the Fourth Proportional to 22,569,793.20, 31,155,848.16 and 15,237,557.28

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Solution

The fourth proportional to 22,569,793.20, 31,155,848.16 and 15,237,557.28 is: 21,034,265.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,569,793.20 : 31,155,848.16 = 15,237,557.28 : x
  2. Step 2: Convert to fraction form
    22,569,793.20/31,155,848.16 = 15,237,557.28/x
  3. Step 3: Cross multiply
    22,569,793.20x = 31,155,848.16 × 15,237,557.28
  4. Step 4: Simplify right side
    22,569,793.20x = 474,739,020,944,982.56
  5. Step 5: Solve for x
    x = 474,739,020,944,982.56/22,569,793.20
  6. Step 6: Final answer
    x = 21,034,265.43

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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.