Home / 38,763,712.80-58,145,569.20-13,233,549.60

Finding the Fourth Proportional to 38,763,712.80, 58,145,569.20 and 13,233,549.60

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Solution

The fourth proportional to 38,763,712.80, 58,145,569.20 and 13,233,549.60 is: 19,850,324.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,763,712.80 : 58,145,569.20 = 13,233,549.60 : x
  2. Step 2: Convert to fraction form
    38,763,712.80/58,145,569.20 = 13,233,549.60/x
  3. Step 3: Cross multiply
    38,763,712.80x = 58,145,569.20 × 13,233,549.60
  4. Step 4: Simplify right side
    38,763,712.80x = 769,472,274,028,432.38
  5. Step 5: Solve for x
    x = 769,472,274,028,432.38/38,763,712.80
  6. Step 6: Final answer
    x = 19,850,324.40

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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.