Home / 7,175,115.25-9,901,656.20-3,911,932.64

Finding the Fourth Proportional to 7,175,115.25, 9,901,656.20 and 3,911,932.64

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Solution

The fourth proportional to 7,175,115.25, 9,901,656.20 and 3,911,932.64 is: 5,398,465.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175,115.25 : 9,901,656.20 = 3,911,932.64 : x
  2. Step 2: Convert to fraction form
    7,175,115.25/9,901,656.20 = 3,911,932.64/x
  3. Step 3: Cross multiply
    7,175,115.25x = 9,901,656.20 × 3,911,932.64
  4. Step 4: Simplify right side
    7,175,115.25x = 38,734,612,059,278.71
  5. Step 5: Solve for x
    x = 38,734,612,059,278.71/7,175,115.25
  6. Step 6: Final answer
    x = 5,398,465.49

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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.