Home / 7,230,359.04-9,978,079.08-3,967,172.88

Finding the Fourth Proportional to 7,230,359.04, 9,978,079.08 and 3,967,172.88

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Solution

The fourth proportional to 7,230,359.04, 9,978,079.08 and 3,967,172.88 is: 5,474,799.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,230,359.04 : 9,978,079.08 = 3,967,172.88 : x
  2. Step 2: Convert to fraction form
    7,230,359.04/9,978,079.08 = 3,967,172.88/x
  3. Step 3: Cross multiply
    7,230,359.04x = 9,978,079.08 × 3,967,172.88
  4. Step 4: Simplify right side
    7,230,359.04x = 39,584,764,720,671.35
  5. Step 5: Solve for x
    x = 39,584,764,720,671.35/7,230,359.04
  6. Step 6: Final answer
    x = 5,474,799.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.