Home / 22,781,728.68-31,438,868.90-12,327,745.10

Finding the Fourth Proportional to 22,781,728.68, 31,438,868.90 and 12,327,745.10

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Solution

The fourth proportional to 22,781,728.68, 31,438,868.90 and 12,327,745.10 is: 17,012,333.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,781,728.68 : 31,438,868.90 = 12,327,745.10 : x
  2. Step 2: Convert to fraction form
    22,781,728.68/31,438,868.90 = 12,327,745.10/x
  3. Step 3: Cross multiply
    22,781,728.68x = 31,438,868.90 × 12,327,745.10
  4. Step 4: Simplify right side
    22,781,728.68x = 387,570,361,812,684.31
  5. Step 5: Solve for x
    x = 387,570,361,812,684.31/22,781,728.68
  6. Step 6: Final answer
    x = 17,012,333.32

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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.