Home / 18,914,207.20-28,371,310.80-13,141,304.80

Finding the Fourth Proportional to 18,914,207.20, 28,371,310.80 and 13,141,304.80

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Solution

The fourth proportional to 18,914,207.20, 28,371,310.80 and 13,141,304.80 is: 19,711,957.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,914,207.20 : 28,371,310.80 = 13,141,304.80 : x
  2. Step 2: Convert to fraction form
    18,914,207.20/28,371,310.80 = 13,141,304.80/x
  3. Step 3: Cross multiply
    18,914,207.20x = 28,371,310.80 × 13,141,304.80
  4. Step 4: Simplify right side
    18,914,207.20x = 372,836,042,798,331.88
  5. Step 5: Solve for x
    x = 372,836,042,798,331.88/18,914,207.20
  6. Step 6: Final answer
    x = 19,711,957.20

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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.