Home / 13,961,139.60-20,957,455.80-10,780,366.80

Finding the Fourth Proportional to 13,961,139.60, 20,957,455.80 and 10,780,366.80

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Solution

The fourth proportional to 13,961,139.60, 20,957,455.80 and 10,780,366.80 is: 16,182,709.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961,139.60 : 20,957,455.80 = 10,780,366.80 : x
  2. Step 2: Convert to fraction form
    13,961,139.60/20,957,455.80 = 10,780,366.80/x
  3. Step 3: Cross multiply
    13,961,139.60x = 20,957,455.80 × 10,780,366.80
  4. Step 4: Simplify right side
    13,961,139.60x = 225,929,060,718,787.47
  5. Step 5: Solve for x
    x = 225,929,060,718,787.47/13,961,139.60
  6. Step 6: Final answer
    x = 16,182,709.09

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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.