Home / 9,119,756.68-13,712,448.20-8,408,796.04

Finding the Fourth Proportional to 9,119,756.68, 13,712,448.20 and 8,408,796.04

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Solution

The fourth proportional to 9,119,756.68, 13,712,448.20 and 8,408,796.04 is: 12,643,449.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119,756.68 : 13,712,448.20 = 8,408,796.04 : x
  2. Step 2: Convert to fraction form
    9,119,756.68/13,712,448.20 = 8,408,796.04/x
  3. Step 3: Cross multiply
    9,119,756.68x = 13,712,448.20 × 8,408,796.04
  4. Step 4: Simplify right side
    9,119,756.68x = 115,305,180,122,865.11
  5. Step 5: Solve for x
    x = 115,305,180,122,865.11/9,119,756.68
  6. Step 6: Final answer
    x = 12,643,449.18

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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.