Home / 13,380,930.27-20,161,348.03-12,102,962.29

Finding the Fourth Proportional to 13,380,930.27, 20,161,348.03 and 12,102,962.29

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Solution

The fourth proportional to 13,380,930.27, 20,161,348.03 and 12,102,962.29 is: 18,235,804.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,380,930.27 : 20,161,348.03 = 12,102,962.29 : x
  2. Step 2: Convert to fraction form
    13,380,930.27/20,161,348.03 = 12,102,962.29/x
  3. Step 3: Cross multiply
    13,380,930.27x = 20,161,348.03 × 12,102,962.29
  4. Step 4: Simplify right side
    13,380,930.27x = 244,012,034,887,381.12
  5. Step 5: Solve for x
    x = 244,012,034,887,381.12/13,380,930.27
  6. Step 6: Final answer
    x = 18,235,804.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.