Home / 12,215,350-18,323,014.57-3,117,446.87

Finding the Fourth Proportional to 12,215,350, 18,323,014.57 and 3,117,446.87

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Solution

The fourth proportional to 12,215,350, 18,323,014.57 and 3,117,446.87 is: 4,676,167.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,215,350 : 18,323,014.57 = 3,117,446.87 : x
  2. Step 2: Convert to fraction form
    12,215,350/18,323,014.57 = 3,117,446.87/x
  3. Step 3: Cross multiply
    12,215,350x = 18,323,014.57 × 3,117,446.87
  4. Step 4: Simplify right side
    12,215,350x = 57,121,024,420,210.90
  5. Step 5: Solve for x
    x = 57,121,024,420,210.90/12,215,350
  6. Step 6: Final answer
    x = 4,676,167.64

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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.