Home / 27,736,780.89-38,277,885.79-15,346,672.90

Finding the Fourth Proportional to 27,736,780.89, 38,277,885.79 and 15,346,672.90

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Solution

The fourth proportional to 27,736,780.89, 38,277,885.79 and 15,346,672.90 is: 21,179,032.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,736,780.89 : 38,277,885.79 = 15,346,672.90 : x
  2. Step 2: Convert to fraction form
    27,736,780.89/38,277,885.79 = 15,346,672.90/x
  3. Step 3: Cross multiply
    27,736,780.89x = 38,277,885.79 × 15,346,672.90
  4. Step 4: Simplify right side
    27,736,780.89x = 587,438,192,446,176.75
  5. Step 5: Solve for x
    x = 587,438,192,446,176.75/27,736,780.89
  6. Step 6: Final answer
    x = 21,179,032.80

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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.