Home / 7,150,857.24-9,868,377.60-3,887,891.64

Finding the Fourth Proportional to 7,150,857.24, 9,868,377.60 and 3,887,891.64

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Solution

The fourth proportional to 7,150,857.24, 9,868,377.60 and 3,887,891.64 is: 5,365,396.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150,857.24 : 9,868,377.60 = 3,887,891.64 : x
  2. Step 2: Convert to fraction form
    7,150,857.24/9,868,377.60 = 3,887,891.64/x
  3. Step 3: Cross multiply
    7,150,857.24x = 9,868,377.60 × 3,887,891.64
  4. Step 4: Simplify right side
    7,150,857.24x = 38,367,182,771,403.27
  5. Step 5: Solve for x
    x = 38,367,182,771,403.27/7,150,857.24
  6. Step 6: Final answer
    x = 5,365,396.27

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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.