Home / 20,526,713.76-28,326,940.05-11,107,504.83

Finding the Fourth Proportional to 20,526,713.76, 28,326,940.05 and 11,107,504.83

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Solution

The fourth proportional to 20,526,713.76, 28,326,940.05 and 11,107,504.83 is: 15,328,397.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526,713.76 : 28,326,940.05 = 11,107,504.83 : x
  2. Step 2: Convert to fraction form
    20,526,713.76/28,326,940.05 = 11,107,504.83/x
  3. Step 3: Cross multiply
    20,526,713.76x = 28,326,940.05 × 11,107,504.83
  4. Step 4: Simplify right side
    20,526,713.76x = 314,641,623,359,922.56
  5. Step 5: Solve for x
    x = 314,641,623,359,922.56/20,526,713.76
  6. Step 6: Final answer
    x = 15,328,397.28

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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.