Home / 21,067,568.64-29,073,841.92-11,900,597.76

Finding the Fourth Proportional to 21,067,568.64, 29,073,841.92 and 11,900,597.76

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Solution

The fourth proportional to 21,067,568.64, 29,073,841.92 and 11,900,597.76 is: 16,423,162.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,067,568.64 : 29,073,841.92 = 11,900,597.76 : x
  2. Step 2: Convert to fraction form
    21,067,568.64/29,073,841.92 = 11,900,597.76/x
  3. Step 3: Cross multiply
    21,067,568.64x = 29,073,841.92 × 11,900,597.76
  4. Step 4: Simplify right side
    21,067,568.64x = 345,996,098,027,746.12
  5. Step 5: Solve for x
    x = 345,996,098,027,746.12/21,067,568.64
  6. Step 6: Final answer
    x = 16,423,162.25

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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.