Home / 9,119,755.68-13,712,446.68-8,408,795.04

Finding the Fourth Proportional to 9,119,755.68, 13,712,446.68 and 8,408,795.04

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Solution

The fourth proportional to 9,119,755.68, 13,712,446.68 and 8,408,795.04 is: 12,643,447.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119,755.68 : 13,712,446.68 = 8,408,795.04 : x
  2. Step 2: Convert to fraction form
    9,119,755.68/13,712,446.68 = 8,408,795.04/x
  3. Step 3: Cross multiply
    9,119,755.68x = 13,712,446.68 × 8,408,795.04
  4. Step 4: Simplify right side
    9,119,755.68x = 115,305,153,629,048.45
  5. Step 5: Solve for x
    x = 115,305,153,629,048.45/9,119,755.68
  6. Step 6: Final answer
    x = 12,643,447.66

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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.