Home / 7,165,248.64-9,887,594.88-3,945,984.64

Finding the Fourth Proportional to 7,165,248.64, 9,887,594.88 and 3,945,984.64

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Solution

The fourth proportional to 7,165,248.64, 9,887,594.88 and 3,945,984.64 is: 5,445,211.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,165,248.64 : 9,887,594.88 = 3,945,984.64 : x
  2. Step 2: Convert to fraction form
    7,165,248.64/9,887,594.88 = 3,945,984.64/x
  3. Step 3: Cross multiply
    7,165,248.64x = 9,887,594.88 × 3,945,984.64
  4. Step 4: Simplify right side
    7,165,248.64x = 39,016,297,523,022.65
  5. Step 5: Solve for x
    x = 39,016,297,523,022.65/7,165,248.64
  6. Step 6: Final answer
    x = 5,445,211.95

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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.