Home / 20,651,051.91-28,498,508.43-11,359,573.89

Finding the Fourth Proportional to 20,651,051.91, 28,498,508.43 and 11,359,573.89

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Solution

The fourth proportional to 20,651,051.91, 28,498,508.43 and 11,359,573.89 is: 15,676,243.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,651,051.91 : 28,498,508.43 = 11,359,573.89 : x
  2. Step 2: Convert to fraction form
    20,651,051.91/28,498,508.43 = 11,359,573.89/x
  3. Step 3: Cross multiply
    20,651,051.91x = 28,498,508.43 × 11,359,573.89
  4. Step 4: Simplify right side
    20,651,051.91x = 323,730,912,265,372.94
  5. Step 5: Solve for x
    x = 323,730,912,265,372.94/20,651,051.91
  6. Step 6: Final answer
    x = 15,676,243.21

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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.