Home / 36,629,138.68-54,943,139.34-12,385,091.86

Finding the Fourth Proportional to 36,629,138.68, 54,943,139.34 and 12,385,091.86

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Solution

The fourth proportional to 36,629,138.68, 54,943,139.34 and 12,385,091.86 is: 18,577,445.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,629,138.68 : 54,943,139.34 = 12,385,091.86 : x
  2. Step 2: Convert to fraction form
    36,629,138.68/54,943,139.34 = 12,385,091.86/x
  3. Step 3: Cross multiply
    36,629,138.68x = 54,943,139.34 × 12,385,091.86
  4. Step 4: Simplify right side
    36,629,138.68x = 680,475,827,802,679.75
  5. Step 5: Solve for x
    x = 680,475,827,802,679.75/36,629,138.68
  6. Step 6: Final answer
    x = 18,577,445.51

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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.