Home / 49,392,385.74-74,059,860.26-18,689,336.90

Finding the Fourth Proportional to 49,392,385.74, 74,059,860.26 and 18,689,336.90

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Solution

The fourth proportional to 49,392,385.74, 74,059,860.26 and 18,689,336.90 is: 28,023,138.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,392,385.74 : 74,059,860.26 = 18,689,336.90 : x
  2. Step 2: Convert to fraction form
    49,392,385.74/74,059,860.26 = 18,689,336.90/x
  3. Step 3: Cross multiply
    49,392,385.74x = 74,059,860.26 × 18,689,336.90
  4. Step 4: Simplify right side
    49,392,385.74x = 1,384,129,679,166,061.50
  5. Step 5: Solve for x
    x = 1,384,129,679,166,061.50/49,392,385.74
  6. Step 6: Final answer
    x = 28,023,138.76

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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.