Home / 9,245,470.20-12,759,125.31-5,115,434.43

Finding the Fourth Proportional to 9,245,470.20, 12,759,125.31 and 5,115,434.43

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Solution

The fourth proportional to 9,245,470.20, 12,759,125.31 and 5,115,434.43 is: 7,059,507.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,245,470.20 : 12,759,125.31 = 5,115,434.43 : x
  2. Step 2: Convert to fraction form
    9,245,470.20/12,759,125.31 = 5,115,434.43/x
  3. Step 3: Cross multiply
    9,245,470.20x = 12,759,125.31 × 5,115,434.43
  4. Step 4: Simplify right side
    9,245,470.20x = 65,268,468,907,458.42
  5. Step 5: Solve for x
    x = 65,268,468,907,458.42/9,245,470.20
  6. Step 6: Final answer
    x = 7,059,507.79

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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.