Home / 18,650,047.28-25,737,859.53-10,390,104.88

Finding the Fourth Proportional to 18,650,047.28, 25,737,859.53 and 10,390,104.88

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Solution

The fourth proportional to 18,650,047.28, 25,737,859.53 and 10,390,104.88 is: 14,338,787.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650,047.28 : 25,737,859.53 = 10,390,104.88 : x
  2. Step 2: Convert to fraction form
    18,650,047.28/25,737,859.53 = 10,390,104.88/x
  3. Step 3: Cross multiply
    18,650,047.28x = 25,737,859.53 × 10,390,104.88
  4. Step 4: Simplify right side
    18,650,047.28x = 267,419,059,839,062.84
  5. Step 5: Solve for x
    x = 267,419,059,839,062.84/18,650,047.28
  6. Step 6: Final answer
    x = 14,338,787.24

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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.