Home / 21,455,711.24-29,608,881.78-11,797,919.24

Finding the Fourth Proportional to 21,455,711.24, 29,608,881.78 and 11,797,919.24

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Solution

The fourth proportional to 21,455,711.24, 29,608,881.78 and 11,797,919.24 is: 16,281,128.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,455,711.24 : 29,608,881.78 = 11,797,919.24 : x
  2. Step 2: Convert to fraction form
    21,455,711.24/29,608,881.78 = 11,797,919.24/x
  3. Step 3: Cross multiply
    21,455,711.24x = 29,608,881.78 × 11,797,919.24
  4. Step 4: Simplify right side
    21,455,711.24x = 349,323,196,027,147.44
  5. Step 5: Solve for x
    x = 349,323,196,027,147.44/21,455,711.24
  6. Step 6: Final answer
    x = 16,281,128.70

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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.