Home / 20,198,455.14-27,873,899.28-11,496,627.66

Finding the Fourth Proportional to 20,198,455.14, 27,873,899.28 and 11,496,627.66

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Solution

The fourth proportional to 20,198,455.14, 27,873,899.28 and 11,496,627.66 is: 15,865,363.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,198,455.14 : 27,873,899.28 = 11,496,627.66 : x
  2. Step 2: Convert to fraction form
    20,198,455.14/27,873,899.28 = 11,496,627.66/x
  3. Step 3: Cross multiply
    20,198,455.14x = 27,873,899.28 × 11,496,627.66
  4. Step 4: Simplify right side
    20,198,455.14x = 320,455,841,454,502.12
  5. Step 5: Solve for x
    x = 320,455,841,454,502.12/20,198,455.14
  6. Step 6: Final answer
    x = 15,865,363.92

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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.