Home / 12,598,891.40-18,901,836.30-5,413,867.40

Finding the Fourth Proportional to 12,598,891.40, 18,901,836.30 and 5,413,867.40

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Solution

The fourth proportional to 12,598,891.40, 18,901,836.30 and 5,413,867.40 is: 8,122,304.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,598,891.40 : 18,901,836.30 = 5,413,867.40 : x
  2. Step 2: Convert to fraction form
    12,598,891.40/18,901,836.30 = 5,413,867.40/x
  3. Step 3: Cross multiply
    12,598,891.40x = 18,901,836.30 × 5,413,867.40
  4. Step 4: Simplify right side
    12,598,891.40x = 102,332,035,344,706.62
  5. Step 5: Solve for x
    x = 102,332,035,344,706.62/12,598,891.40
  6. Step 6: Final answer
    x = 8,122,304.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.