Home / 30,542,977.42-45,847,663.17-12,359,691.34

Finding the Fourth Proportional to 30,542,977.42, 45,847,663.17 and 12,359,691.34

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Solution

The fourth proportional to 30,542,977.42, 45,847,663.17 and 12,359,691.34 is: 18,552,970.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,542,977.42 : 45,847,663.17 = 12,359,691.34 : x
  2. Step 2: Convert to fraction form
    30,542,977.42/45,847,663.17 = 12,359,691.34/x
  3. Step 3: Cross multiply
    30,542,977.42x = 45,847,663.17 × 12,359,691.34
  4. Step 4: Simplify right side
    30,542,977.42x = 566,662,965,441,486
  5. Step 5: Solve for x
    x = 566,662,965,441,486/30,542,977.42
  6. Step 6: Final answer
    x = 18,552,970.71

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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.