Home / 20,589,373.54-28,413,248.88-11,422,016.29

Finding the Fourth Proportional to 20,589,373.54, 28,413,248.88 and 11,422,016.29

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Solution

The fourth proportional to 20,589,373.54, 28,413,248.88 and 11,422,016.29 is: 15,762,334.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,589,373.54 : 28,413,248.88 = 11,422,016.29 : x
  2. Step 2: Convert to fraction form
    20,589,373.54/28,413,248.88 = 11,422,016.29/x
  3. Step 3: Cross multiply
    20,589,373.54x = 28,413,248.88 × 11,422,016.29
  4. Step 4: Simplify right side
    20,589,373.54x = 324,536,591,559,184.19
  5. Step 5: Solve for x
    x = 324,536,591,559,184.19/20,589,373.54
  6. Step 6: Final answer
    x = 15,762,334.44

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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.