Home / 31,277,490.12-43,160,758.97-17,338,711.23

Finding the Fourth Proportional to 31,277,490.12, 43,160,758.97 and 17,338,711.23

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Solution

The fourth proportional to 31,277,490.12, 43,160,758.97 and 17,338,711.23 is: 23,926,214.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,277,490.12 : 43,160,758.97 = 17,338,711.23 : x
  2. Step 2: Convert to fraction form
    31,277,490.12/43,160,758.97 = 17,338,711.23/x
  3. Step 3: Cross multiply
    31,277,490.12x = 43,160,758.97 × 17,338,711.23
  4. Step 4: Simplify right side
    31,277,490.12x = 748,351,936,161,768.75
  5. Step 5: Solve for x
    x = 748,351,936,161,768.75/31,277,490.12
  6. Step 6: Final answer
    x = 23,926,214.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.