Home / 7,340,039.20-10,989,063.60-4,505,687.20

Finding the Fourth Proportional to 7,340,039.20, 10,989,063.60 and 4,505,687.20

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Solution

The fourth proportional to 7,340,039.20, 10,989,063.60 and 4,505,687.20 is: 6,745,642.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340,039.20 : 10,989,063.60 = 4,505,687.20 : x
  2. Step 2: Convert to fraction form
    7,340,039.20/10,989,063.60 = 4,505,687.20/x
  3. Step 3: Cross multiply
    7,340,039.20x = 10,989,063.60 × 4,505,687.20
  4. Step 4: Simplify right side
    7,340,039.20x = 49,513,283,202,505.92
  5. Step 5: Solve for x
    x = 49,513,283,202,505.92/7,340,039.20
  6. Step 6: Final answer
    x = 6,745,642.88

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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.