Home / 6,787,975.17-9,367,600.56-4,138,977.90

Finding the Fourth Proportional to 6,787,975.17, 9,367,600.56 and 4,138,977.90

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Solution

The fourth proportional to 6,787,975.17, 9,367,600.56 and 4,138,977.90 is: 5,711,908.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787,975.17 : 9,367,600.56 = 4,138,977.90 : x
  2. Step 2: Convert to fraction form
    6,787,975.17/9,367,600.56 = 4,138,977.90/x
  3. Step 3: Cross multiply
    6,787,975.17x = 9,367,600.56 × 4,138,977.90
  4. Step 4: Simplify right side
    6,787,975.17x = 38,772,291,693,867.62
  5. Step 5: Solve for x
    x = 38,772,291,693,867.62/6,787,975.17
  6. Step 6: Final answer
    x = 5,711,908.30

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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.