Home / 13,885,648.97-20,829,843.90-4,786,548.66

Finding the Fourth Proportional to 13,885,648.97, 20,829,843.90 and 4,786,548.66

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Solution

The fourth proportional to 13,885,648.97, 20,829,843.90 and 4,786,548.66 is: 7,180,295.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,885,648.97 : 20,829,843.90 = 4,786,548.66 : x
  2. Step 2: Convert to fraction form
    13,885,648.97/20,829,843.90 = 4,786,548.66/x
  3. Step 3: Cross multiply
    13,885,648.97x = 20,829,843.90 × 4,786,548.66
  4. Step 4: Simplify right side
    13,885,648.97x = 99,703,061,407,554.17
  5. Step 5: Solve for x
    x = 99,703,061,407,554.17/13,885,648.97
  6. Step 6: Final answer
    x = 7,180,295.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.