Home / 10,985,219.87-16,445,505.42-7,332,890.63

Finding the Fourth Proportional to 10,985,219.87, 16,445,505.42 and 7,332,890.63

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Solution

The fourth proportional to 10,985,219.87, 16,445,505.42 and 7,332,890.63 is: 10,977,758.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985,219.87 : 16,445,505.42 = 7,332,890.63 : x
  2. Step 2: Convert to fraction form
    10,985,219.87/16,445,505.42 = 7,332,890.63/x
  3. Step 3: Cross multiply
    10,985,219.87x = 16,445,505.42 × 7,332,890.63
  4. Step 4: Simplify right side
    10,985,219.87x = 120,593,092,517,704.69
  5. Step 5: Solve for x
    x = 120,593,092,517,704.69/10,985,219.87
  6. Step 6: Final answer
    x = 10,977,758.66

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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.