Home / 40,353,691.34-60,530,138.11-18,487,868.30

Finding the Fourth Proportional to 40,353,691.34, 60,530,138.11 and 18,487,868.30

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Solution

The fourth proportional to 40,353,691.34, 60,530,138.11 and 18,487,868.30 is: 27,731,619.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,353,691.34 : 60,530,138.11 = 18,487,868.30 : x
  2. Step 2: Convert to fraction form
    40,353,691.34/60,530,138.11 = 18,487,868.30/x
  3. Step 3: Cross multiply
    40,353,691.34x = 60,530,138.11 × 18,487,868.30
  4. Step 4: Simplify right side
    40,353,691.34x = 1,119,073,221,558,491
  5. Step 5: Solve for x
    x = 1,119,073,221,558,491/40,353,691.34
  6. Step 6: Final answer
    x = 27,731,619.70

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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.