Home / 18,842,478.60-28,305,708.30-18,077,320.20

Finding the Fourth Proportional to 18,842,478.60, 28,305,708.30 and 18,077,320.20

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Solution

The fourth proportional to 18,842,478.60, 28,305,708.30 and 18,077,320.20 is: 27,156,265.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,842,478.60 : 28,305,708.30 = 18,077,320.20 : x
  2. Step 2: Convert to fraction form
    18,842,478.60/28,305,708.30 = 18,077,320.20/x
  3. Step 3: Cross multiply
    18,842,478.60x = 28,305,708.30 × 18,077,320.20
  4. Step 4: Simplify right side
    18,842,478.60x = 511,691,352,426,897.62
  5. Step 5: Solve for x
    x = 511,691,352,426,897.62/18,842,478.60
  6. Step 6: Final answer
    x = 27,156,265.55

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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.