Home / 10,509,470.20-15,764,205.30-6,452,803.90

Finding the Fourth Proportional to 10,509,470.20, 15,764,205.30 and 6,452,803.90

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Solution

The fourth proportional to 10,509,470.20, 15,764,205.30 and 6,452,803.90 is: 9,679,205.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509,470.20 : 15,764,205.30 = 6,452,803.90 : x
  2. Step 2: Convert to fraction form
    10,509,470.20/15,764,205.30 = 6,452,803.90/x
  3. Step 3: Cross multiply
    10,509,470.20x = 15,764,205.30 × 6,452,803.90
  4. Step 4: Simplify right side
    10,509,470.20x = 101,723,325,440,240.69
  5. Step 5: Solve for x
    x = 101,723,325,440,240.69/10,509,470.20
  6. Step 6: Final answer
    x = 9,679,205.85

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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.