Home / 20,841,517.74-28,761,463.32-11,549,243.04

Finding the Fourth Proportional to 20,841,517.74, 28,761,463.32 and 11,549,243.04

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Solution

The fourth proportional to 20,841,517.74, 28,761,463.32 and 11,549,243.04 is: 15,938,048.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,841,517.74 : 28,761,463.32 = 11,549,243.04 : x
  2. Step 2: Convert to fraction form
    20,841,517.74/28,761,463.32 = 11,549,243.04/x
  3. Step 3: Cross multiply
    20,841,517.74x = 28,761,463.32 × 11,549,243.04
  4. Step 4: Simplify right side
    20,841,517.74x = 332,173,130,068,725.25
  5. Step 5: Solve for x
    x = 332,173,130,068,725.25/20,841,517.74
  6. Step 6: Final answer
    x = 15,938,048.96

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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.