Home / 27,701,881.28-38,228,788.32-15,479,253.44

Finding the Fourth Proportional to 27,701,881.28, 38,228,788.32 and 15,479,253.44

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Solution

The fourth proportional to 27,701,881.28, 38,228,788.32 and 15,479,253.44 is: 21,361,477.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,701,881.28 : 38,228,788.32 = 15,479,253.44 : x
  2. Step 2: Convert to fraction form
    27,701,881.28/38,228,788.32 = 15,479,253.44/x
  3. Step 3: Cross multiply
    27,701,881.28x = 38,228,788.32 × 15,479,253.44
  4. Step 4: Simplify right side
    27,701,881.28x = 591,753,103,109,391.75
  5. Step 5: Solve for x
    x = 591,753,103,109,391.75/27,701,881.28
  6. Step 6: Final answer
    x = 21,361,477.12

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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.