Home / 12,179,520.16-18,267,073-4,892,685.88

Finding the Fourth Proportional to 12,179,520.16, 18,267,073 and 4,892,685.88

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Solution

The fourth proportional to 12,179,520.16, 18,267,073 and 4,892,685.88 is: 7,338,142.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,179,520.16 : 18,267,073 = 4,892,685.88 : x
  2. Step 2: Convert to fraction form
    12,179,520.16/18,267,073 = 4,892,685.88/x
  3. Step 3: Cross multiply
    12,179,520.16x = 18,267,073 × 4,892,685.88
  4. Step 4: Simplify right side
    12,179,520.16x = 89,375,050,136,029.23
  5. Step 5: Solve for x
    x = 89,375,050,136,029.23/12,179,520.16
  6. Step 6: Final answer
    x = 7,338,142.14

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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.