Home / 13,902,408.30-20,853,612.45-13,335,537.90

Finding the Fourth Proportional to 13,902,408.30, 20,853,612.45 and 13,335,537.90

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Solution

The fourth proportional to 13,902,408.30, 20,853,612.45 and 13,335,537.90 is: 20,003,306.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902,408.30 : 20,853,612.45 = 13,335,537.90 : x
  2. Step 2: Convert to fraction form
    13,902,408.30/20,853,612.45 = 13,335,537.90/x
  3. Step 3: Cross multiply
    13,902,408.30x = 20,853,612.45 × 13,335,537.90
  4. Step 4: Simplify right side
    13,902,408.30x = 278,094,139,178,886.84
  5. Step 5: Solve for x
    x = 278,094,139,178,886.84/13,902,408.30
  6. Step 6: Final answer
    x = 20,003,306.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.