Home / 28,141,092.80-42,183,221.16-13,546,577.60

Finding the Fourth Proportional to 28,141,092.80, 42,183,221.16 and 13,546,577.60

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Solution

The fourth proportional to 28,141,092.80, 42,183,221.16 and 13,546,577.60 is: 20,306,186.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,141,092.80 : 42,183,221.16 = 13,546,577.60 : x
  2. Step 2: Convert to fraction form
    28,141,092.80/42,183,221.16 = 13,546,577.60/x
  3. Step 3: Cross multiply
    28,141,092.80x = 42,183,221.16 × 13,546,577.60
  4. Step 4: Simplify right side
    28,141,092.80x = 571,438,278,861,902
  5. Step 5: Solve for x
    x = 571,438,278,861,902/28,141,092.80
  6. Step 6: Final answer
    x = 20,306,186.51

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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.