Home / 18,242,042.47-25,174,337.43-9,982,836.97

Finding the Fourth Proportional to 18,242,042.47, 25,174,337.43 and 9,982,836.97

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Solution

The fourth proportional to 18,242,042.47, 25,174,337.43 and 9,982,836.97 is: 13,776,489.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,242,042.47 : 25,174,337.43 = 9,982,836.97 : x
  2. Step 2: Convert to fraction form
    18,242,042.47/25,174,337.43 = 9,982,836.97/x
  3. Step 3: Cross multiply
    18,242,042.47x = 25,174,337.43 × 9,982,836.97
  4. Step 4: Simplify right side
    18,242,042.47x = 251,311,306,391,458.81
  5. Step 5: Solve for x
    x = 251,311,306,391,458.81/18,242,042.47
  6. Step 6: Final answer
    x = 13,776,489.49

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1.5x scale

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.