Home / 20,027,963.80-30,042,047.76-8,510,463.64

Finding the Fourth Proportional to 20,027,963.80, 30,042,047.76 and 8,510,463.64

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Solution

The fourth proportional to 20,027,963.80, 30,042,047.76 and 8,510,463.64 is: 12,765,738.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027,963.80 : 30,042,047.76 = 8,510,463.64 : x
  2. Step 2: Convert to fraction form
    20,027,963.80/30,042,047.76 = 8,510,463.64/x
  3. Step 3: Cross multiply
    20,027,963.80x = 30,042,047.76 × 8,510,463.64
  4. Step 4: Simplify right side
    20,027,963.80x = 255,671,755,132,623.47
  5. Step 5: Solve for x
    x = 255,671,755,132,623.47/20,027,963.80
  6. Step 6: Final answer
    x = 12,765,738.83

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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.