Home / 51,615,253.20-71,226,338.94-28,405,944.12

Finding the Fourth Proportional to 51,615,253.20, 71,226,338.94 and 28,405,944.12

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Solution

The fourth proportional to 51,615,253.20, 71,226,338.94 and 28,405,944.12 is: 39,198,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,615,253.20 : 71,226,338.94 = 28,405,944.12 : x
  2. Step 2: Convert to fraction form
    51,615,253.20/71,226,338.94 = 28,405,944.12/x
  3. Step 3: Cross multiply
    51,615,253.20x = 71,226,338.94 × 28,405,944.12
  4. Step 4: Simplify right side
    51,615,253.20x = 2,023,251,403,801,820
  5. Step 5: Solve for x
    x = 2,023,251,403,801,820/51,615,253.20
  6. Step 6: Final answer
    x = 39,198,711.20

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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.