Home / 21,455,731.24-29,608,909.38-11,797,939.24

Finding the Fourth Proportional to 21,455,731.24, 29,608,909.38 and 11,797,939.24

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Solution

The fourth proportional to 21,455,731.24, 29,608,909.38 and 11,797,939.24 is: 16,281,156.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,455,731.24 : 29,608,909.38 = 11,797,939.24 : x
  2. Step 2: Convert to fraction form
    21,455,731.24/29,608,909.38 = 11,797,939.24/x
  3. Step 3: Cross multiply
    21,455,731.24x = 29,608,909.38 × 11,797,939.24
  4. Step 4: Simplify right side
    21,455,731.24x = 349,324,113,827,906.06
  5. Step 5: Solve for x
    x = 349,324,113,827,906.06/21,455,731.24
  6. Step 6: Final answer
    x = 16,281,156.30

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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.