Home / 30,236,145.57-45,354,385.11-7,517,042.82

Finding the Fourth Proportional to 30,236,145.57, 45,354,385.11 and 7,517,042.82

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Solution

The fourth proportional to 30,236,145.57, 45,354,385.11 and 7,517,042.82 is: 11,275,605.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,236,145.57 : 45,354,385.11 = 7,517,042.82 : x
  2. Step 2: Convert to fraction form
    30,236,145.57/45,354,385.11 = 7,517,042.82/x
  3. Step 3: Cross multiply
    30,236,145.57x = 45,354,385.11 × 7,517,042.82
  4. Step 4: Simplify right side
    30,236,145.57x = 340,930,854,946,640.44
  5. Step 5: Solve for x
    x = 340,930,854,946,640.44/30,236,145.57
  6. Step 6: Final answer
    x = 11,275,605.69

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1.5x scale

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.