Home / 10,780,862.40-16,145,512.92-6,218,078.76

Finding the Fourth Proportional to 10,780,862.40, 16,145,512.92 and 6,218,078.76

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Solution

The fourth proportional to 10,780,862.40, 16,145,512.92 and 6,218,078.76 is: 9,312,248.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780,862.40 : 16,145,512.92 = 6,218,078.76 : x
  2. Step 2: Convert to fraction form
    10,780,862.40/16,145,512.92 = 6,218,078.76/x
  3. Step 3: Cross multiply
    10,780,862.40x = 16,145,512.92 × 6,218,078.76
  4. Step 4: Simplify right side
    10,780,862.40x = 100,394,070,957,157.58
  5. Step 5: Solve for x
    x = 100,394,070,957,157.58/10,780,862.40
  6. Step 6: Final answer
    x = 9,312,248.62

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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.