Home / 8,591,458.22-12,895,286.02-3,131,830.10

Finding the Fourth Proportional to 8,591,458.22, 12,895,286.02 and 3,131,830.10

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Solution

The fourth proportional to 8,591,458.22, 12,895,286.02 and 3,131,830.10 is: 4,700,697.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,591,458.22 : 12,895,286.02 = 3,131,830.10 : x
  2. Step 2: Convert to fraction form
    8,591,458.22/12,895,286.02 = 3,131,830.10/x
  3. Step 3: Cross multiply
    8,591,458.22x = 12,895,286.02 × 3,131,830.10
  4. Step 4: Simplify right side
    8,591,458.22x = 40,385,844,889,886.05
  5. Step 5: Solve for x
    x = 40,385,844,889,886.05/8,591,458.22
  6. Step 6: Final answer
    x = 4,700,697.35

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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.