Home / 10,887,200.20-16,337,021.10-4,160,441.80

Finding the Fourth Proportional to 10,887,200.20, 16,337,021.10 and 4,160,441.80

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Solution

The fourth proportional to 10,887,200.20, 16,337,021.10 and 4,160,441.80 is: 6,243,039.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887,200.20 : 16,337,021.10 = 4,160,441.80 : x
  2. Step 2: Convert to fraction form
    10,887,200.20/16,337,021.10 = 4,160,441.80/x
  3. Step 3: Cross multiply
    10,887,200.20x = 16,337,021.10 × 4,160,441.80
  4. Step 4: Simplify right side
    10,887,200.20x = 67,969,225,471,921.98
  5. Step 5: Solve for x
    x = 67,969,225,471,921.98/10,887,200.20
  6. Step 6: Final answer
    x = 6,243,039.92

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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.