Home / 28,601,474.02-39,468,358.08-15,548,618.80

Finding the Fourth Proportional to 28,601,474.02, 39,468,358.08 and 15,548,618.80

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Solution

The fourth proportional to 28,601,474.02, 39,468,358.08 and 15,548,618.80 is: 21,456,182.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,601,474.02 : 39,468,358.08 = 15,548,618.80 : x
  2. Step 2: Convert to fraction form
    28,601,474.02/39,468,358.08 = 15,548,618.80/x
  3. Step 3: Cross multiply
    28,601,474.02x = 39,468,358.08 × 15,548,618.80
  4. Step 4: Simplify right side
    28,601,474.02x = 613,678,454,447,819.88
  5. Step 5: Solve for x
    x = 613,678,454,447,819.88/28,601,474.02
  6. Step 6: Final answer
    x = 21,456,182.78

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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.