Home / 20,286,671.27-27,998,611.07-12,845,024.96

Finding the Fourth Proportional to 20,286,671.27, 27,998,611.07 and 12,845,024.96

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Solution

The fourth proportional to 20,286,671.27, 27,998,611.07 and 12,845,024.96 is: 17,728,036.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,286,671.27 : 27,998,611.07 = 12,845,024.96 : x
  2. Step 2: Convert to fraction form
    20,286,671.27/27,998,611.07 = 12,845,024.96/x
  3. Step 3: Cross multiply
    20,286,671.27x = 27,998,611.07 × 12,845,024.96
  4. Step 4: Simplify right side
    20,286,671.27x = 359,642,857,835,264.12
  5. Step 5: Solve for x
    x = 359,642,857,835,264.12/20,286,671.27
  6. Step 6: Final answer
    x = 17,728,036.95

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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.