Home / 13,780,510.20-20,670,765.30-8,993,604.60

Finding the Fourth Proportional to 13,780,510.20, 20,670,765.30 and 8,993,604.60

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Solution

The fourth proportional to 13,780,510.20, 20,670,765.30 and 8,993,604.60 is: 13,490,406.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,780,510.20 : 20,670,765.30 = 8,993,604.60 : x
  2. Step 2: Convert to fraction form
    13,780,510.20/20,670,765.30 = 8,993,604.60/x
  3. Step 3: Cross multiply
    13,780,510.20x = 20,670,765.30 × 8,993,604.60
  4. Step 4: Simplify right side
    13,780,510.20x = 185,904,689,887,600.38
  5. Step 5: Solve for x
    x = 185,904,689,887,600.38/13,780,510.20
  6. Step 6: Final answer
    x = 13,490,406.90

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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.