Home / 21,367,419.25-29,487,064.49-11,577,855.85

Finding the Fourth Proportional to 21,367,419.25, 29,487,064.49 and 11,577,855.85

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Solution

The fourth proportional to 21,367,419.25, 29,487,064.49 and 11,577,855.85 is: 15,977,455.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,367,419.25 : 29,487,064.49 = 11,577,855.85 : x
  2. Step 2: Convert to fraction form
    21,367,419.25/29,487,064.49 = 11,577,855.85/x
  3. Step 3: Cross multiply
    21,367,419.25x = 29,487,064.49 × 11,577,855.85
  4. Step 4: Simplify right side
    21,367,419.25x = 341,396,982,104,873.75
  5. Step 5: Solve for x
    x = 341,396,982,104,873.75/21,367,419.25
  6. Step 6: Final answer
    x = 15,977,455.12

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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.