Home / 20,512,570.76-30,755,188.20-11,294,884.97

Finding the Fourth Proportional to 20,512,570.76, 30,755,188.20 and 11,294,884.97

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Solution

The fourth proportional to 20,512,570.76, 30,755,188.20 and 11,294,884.97 is: 16,934,801.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,512,570.76 : 30,755,188.20 = 11,294,884.97 : x
  2. Step 2: Convert to fraction form
    20,512,570.76/30,755,188.20 = 11,294,884.97/x
  3. Step 3: Cross multiply
    20,512,570.76x = 30,755,188.20 × 11,294,884.97
  4. Step 4: Simplify right side
    20,512,570.76x = 347,376,312,949,701.38
  5. Step 5: Solve for x
    x = 347,376,312,949,701.38/20,512,570.76
  6. Step 6: Final answer
    x = 16,934,801.45

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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.