Home / 15,431,290.38-23,147,012.92-3,916,761.08

Finding the Fourth Proportional to 15,431,290.38, 23,147,012.92 and 3,916,761.08

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Solution

The fourth proportional to 15,431,290.38, 23,147,012.92 and 3,916,761.08 is: 5,875,161.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,431,290.38 : 23,147,012.92 = 3,916,761.08 : x
  2. Step 2: Convert to fraction form
    15,431,290.38/23,147,012.92 = 3,916,761.08/x
  3. Step 3: Cross multiply
    15,431,290.38x = 23,147,012.92 × 3,916,761.08
  4. Step 4: Simplify right side
    15,431,290.38x = 90,661,319,221,654.94
  5. Step 5: Solve for x
    x = 90,661,319,221,654.94/15,431,290.38
  6. Step 6: Final answer
    x = 5,875,161.25

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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.