Home / 12,729,384.28-17,566,549.31-6,928,207.61

Finding the Fourth Proportional to 12,729,384.28, 17,566,549.31 and 6,928,207.61

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Solution

The fourth proportional to 12,729,384.28, 17,566,549.31 and 6,928,207.61 is: 9,560,925.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,729,384.28 : 17,566,549.31 = 6,928,207.61 : x
  2. Step 2: Convert to fraction form
    12,729,384.28/17,566,549.31 = 6,928,207.61/x
  3. Step 3: Cross multiply
    12,729,384.28x = 17,566,549.31 × 6,928,207.61
  4. Step 4: Simplify right side
    12,729,384.28x = 121,704,700,610,982.25
  5. Step 5: Solve for x
    x = 121,704,700,610,982.25/12,729,384.28
  6. Step 6: Final answer
    x = 9,560,925.96

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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.