Home / 9,949,449.20-14,920,487.40-3,218,082.80

Finding the Fourth Proportional to 9,949,449.20, 14,920,487.40 and 3,218,082.80

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Solution

The fourth proportional to 9,949,449.20, 14,920,487.40 and 3,218,082.80 is: 4,825,931.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,949,449.20 : 14,920,487.40 = 3,218,082.80 : x
  2. Step 2: Convert to fraction form
    9,949,449.20/14,920,487.40 = 3,218,082.80/x
  3. Step 3: Cross multiply
    9,949,449.20x = 14,920,487.40 × 3,218,082.80
  4. Step 4: Simplify right side
    9,949,449.20x = 48,015,363,869,556.72
  5. Step 5: Solve for x
    x = 48,015,363,869,556.72/9,949,449.20
  6. Step 6: Final answer
    x = 4,825,931.86

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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.