Home / 11,392,891.46-15,721,799.01-6,499,697.66

Finding the Fourth Proportional to 11,392,891.46, 15,721,799.01 and 6,499,697.66

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Solution

The fourth proportional to 11,392,891.46, 15,721,799.01 and 6,499,697.66 is: 8,969,359.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,392,891.46 : 15,721,799.01 = 6,499,697.66 : x
  2. Step 2: Convert to fraction form
    11,392,891.46/15,721,799.01 = 6,499,697.66/x
  3. Step 3: Cross multiply
    11,392,891.46x = 15,721,799.01 × 6,499,697.66
  4. Step 4: Simplify right side
    11,392,891.46x = 102,186,940,236,287.31
  5. Step 5: Solve for x
    x = 102,186,940,236,287.31/11,392,891.46
  6. Step 6: Final answer
    x = 8,969,359.59

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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.