Home / 8,614,633.30-12,914,128.80-4,298,003.79

Finding the Fourth Proportional to 8,614,633.30, 12,914,128.80 and 4,298,003.79

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Solution

The fourth proportional to 8,614,633.30, 12,914,128.80 and 4,298,003.79 is: 6,443,103.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,614,633.30 : 12,914,128.80 = 4,298,003.79 : x
  2. Step 2: Convert to fraction form
    8,614,633.30/12,914,128.80 = 4,298,003.79/x
  3. Step 3: Cross multiply
    8,614,633.30x = 12,914,128.80 × 4,298,003.79
  4. Step 4: Simplify right side
    8,614,633.30x = 55,504,974,526,948.16
  5. Step 5: Solve for x
    x = 55,504,974,526,948.16/8,614,633.30
  6. Step 6: Final answer
    x = 6,443,103.57

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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.