Home / 39,245,149.59-54,158,306.57-21,845,605.18

Finding the Fourth Proportional to 39,245,149.59, 54,158,306.57 and 21,845,605.18

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Solution

The fourth proportional to 39,245,149.59, 54,158,306.57 and 21,845,605.18 is: 30,146,935.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,245,149.59 : 54,158,306.57 = 21,845,605.18 : x
  2. Step 2: Convert to fraction form
    39,245,149.59/54,158,306.57 = 21,845,605.18/x
  3. Step 3: Cross multiply
    39,245,149.59x = 54,158,306.57 × 21,845,605.18
  4. Step 4: Simplify right side
    39,245,149.59x = 1,183,120,982,484,464.25
  5. Step 5: Solve for x
    x = 1,183,120,982,484,464.25/39,245,149.59
  6. Step 6: Final answer
    x = 30,146,935.23

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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.