Home / 7,175,116.25-9,901,657.57-3,911,933.64

Finding the Fourth Proportional to 7,175,116.25, 9,901,657.57 and 3,911,933.64

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Solution

The fourth proportional to 7,175,116.25, 9,901,657.57 and 3,911,933.64 is: 5,398,466.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175,116.25 : 9,901,657.57 = 3,911,933.64 : x
  2. Step 2: Convert to fraction form
    7,175,116.25/9,901,657.57 = 3,911,933.64/x
  3. Step 3: Cross multiply
    7,175,116.25x = 9,901,657.57 × 3,911,933.64
  4. Step 4: Simplify right side
    7,175,116.25x = 38,734,627,339,843.66
  5. Step 5: Solve for x
    x = 38,734,627,339,843.66/7,175,116.25
  6. Step 6: Final answer
    x = 5,398,466.87

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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.