Home / 15,151,580.85-20,902,991.61-11,187,352.66

Finding the Fourth Proportional to 15,151,580.85, 20,902,991.61 and 11,187,352.66

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Solution

The fourth proportional to 15,151,580.85, 20,902,991.61 and 11,187,352.66 is: 15,433,976.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,151,580.85 : 20,902,991.61 = 11,187,352.66 : x
  2. Step 2: Convert to fraction form
    15,151,580.85/20,902,991.61 = 11,187,352.66/x
  3. Step 3: Cross multiply
    15,151,580.85x = 20,902,991.61 × 11,187,352.66
  4. Step 4: Simplify right side
    15,151,580.85x = 233,849,138,734,154.44
  5. Step 5: Solve for x
    x = 233,849,138,734,154.44/15,151,580.85
  6. Step 6: Final answer
    x = 15,433,976.23

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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.