Home / 13,799,089.15-20,675,751.48-8,391,381.73

Finding the Fourth Proportional to 13,799,089.15, 20,675,751.48 and 8,391,381.73

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Solution

The fourth proportional to 13,799,089.15, 20,675,751.48 and 8,391,381.73 is: 12,573,157.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799,089.15 : 20,675,751.48 = 8,391,381.73 : x
  2. Step 2: Convert to fraction form
    13,799,089.15/20,675,751.48 = 8,391,381.73/x
  3. Step 3: Cross multiply
    13,799,089.15x = 20,675,751.48 × 8,391,381.73
  4. Step 4: Simplify right side
    13,799,089.15x = 173,498,123,223,292.47
  5. Step 5: Solve for x
    x = 173,498,123,223,292.47/13,799,089.15
  6. Step 6: Final answer
    x = 12,573,157.64

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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.