Home / 18,799,607.29-28,201,520.18-16,868,647.88

Finding the Fourth Proportional to 18,799,607.29, 28,201,520.18 and 16,868,647.88

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Solution

The fourth proportional to 18,799,607.29, 28,201,520.18 and 16,868,647.88 is: 25,304,864.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,799,607.29 : 28,201,520.18 = 16,868,647.88 : x
  2. Step 2: Convert to fraction form
    18,799,607.29/28,201,520.18 = 16,868,647.88/x
  3. Step 3: Cross multiply
    18,799,607.29x = 28,201,520.18 × 16,868,647.88
  4. Step 4: Simplify right side
    18,799,607.29x = 475,721,513,597,134.19
  5. Step 5: Solve for x
    x = 475,721,513,597,134.19/18,799,607.29
  6. Step 6: Final answer
    x = 25,304,864.42

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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.