Home / 11,392,988.20-15,721,932.18-6,499,794.28

Finding the Fourth Proportional to 11,392,988.20, 15,721,932.18 and 6,499,794.28

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Solution

The fourth proportional to 11,392,988.20, 15,721,932.18 and 6,499,794.28 is: 8,969,492.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,392,988.20 : 15,721,932.18 = 6,499,794.28 : x
  2. Step 2: Convert to fraction form
    11,392,988.20/15,721,932.18 = 6,499,794.28/x
  3. Step 3: Cross multiply
    11,392,988.20x = 15,721,932.18 × 6,499,794.28
  4. Step 4: Simplify right side
    11,392,988.20x = 102,189,324,854,111.94
  5. Step 5: Solve for x
    x = 102,189,324,854,111.94/11,392,988.20
  6. Step 6: Final answer
    x = 8,969,492.73

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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.