Home / 12,727,674.18-17,564,585.13-7,221,279.60

Finding the Fourth Proportional to 12,727,674.18, 17,564,585.13 and 7,221,279.60

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Solution

The fourth proportional to 12,727,674.18, 17,564,585.13 and 7,221,279.60 is: 9,965,589.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,727,674.18 : 17,564,585.13 = 7,221,279.60 : x
  2. Step 2: Convert to fraction form
    12,727,674.18/17,564,585.13 = 7,221,279.60/x
  3. Step 3: Cross multiply
    12,727,674.18x = 17,564,585.13 × 7,221,279.60
  4. Step 4: Simplify right side
    12,727,674.18x = 126,838,780,281,732.33
  5. Step 5: Solve for x
    x = 126,838,780,281,732.33/12,727,674.18
  6. Step 6: Final answer
    x = 9,965,589.82

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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.