Home / 16,686,501.30-25,029,751.95-15,517,331.10

Finding the Fourth Proportional to 16,686,501.30, 25,029,751.95 and 15,517,331.10

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Solution

The fourth proportional to 16,686,501.30, 25,029,751.95 and 15,517,331.10 is: 23,275,996.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,686,501.30 : 25,029,751.95 = 15,517,331.10 : x
  2. Step 2: Convert to fraction form
    16,686,501.30/25,029,751.95 = 15,517,331.10/x
  3. Step 3: Cross multiply
    16,686,501.30x = 25,029,751.95 × 15,517,331.10
  4. Step 4: Simplify right side
    16,686,501.30x = 388,394,948,359,020.62
  5. Step 5: Solve for x
    x = 388,394,948,359,020.62/16,686,501.30
  6. Step 6: Final answer
    x = 23,275,996.65

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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.