Home / 8,385,998.40-12,581,949.36-4,129,156.80

Finding the Fourth Proportional to 8,385,998.40, 12,581,949.36 and 4,129,156.80

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Solution

The fourth proportional to 8,385,998.40, 12,581,949.36 and 4,129,156.80 is: 6,195,188.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385,998.40 : 12,581,949.36 = 4,129,156.80 : x
  2. Step 2: Convert to fraction form
    8,385,998.40/12,581,949.36 = 4,129,156.80/x
  3. Step 3: Cross multiply
    8,385,998.40x = 12,581,949.36 × 4,129,156.80
  4. Step 4: Simplify right side
    8,385,998.40x = 51,952,841,757,099.64
  5. Step 5: Solve for x
    x = 51,952,841,757,099.64/8,385,998.40
  6. Step 6: Final answer
    x = 6,195,188.61

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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.