Home / 20,526,769.50-28,327,017-11,107,560.60

Finding the Fourth Proportional to 20,526,769.50, 28,327,017 and 11,107,560.60

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Solution

The fourth proportional to 20,526,769.50, 28,327,017 and 11,107,560.60 is: 15,328,474.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526,769.50 : 28,327,017 = 11,107,560.60 : x
  2. Step 2: Convert to fraction form
    20,526,769.50/28,327,017 = 11,107,560.60/x
  3. Step 3: Cross multiply
    20,526,769.50x = 28,327,017 × 11,107,560.60
  4. Step 4: Simplify right side
    20,526,769.50x = 314,644,057,944,730.19
  5. Step 5: Solve for x
    x = 314,644,057,944,730.19/20,526,769.50
  6. Step 6: Final answer
    x = 15,328,474.26

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1.5x scale

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.