Home / 9,142,138.35-12,617,436.18-5,658,594.48

Finding the Fourth Proportional to 9,142,138.35, 12,617,436.18 and 5,658,594.48

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Solution

The fourth proportional to 9,142,138.35, 12,617,436.18 and 5,658,594.48 is: 7,809,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142,138.35 : 12,617,436.18 = 5,658,594.48 : x
  2. Step 2: Convert to fraction form
    9,142,138.35/12,617,436.18 = 5,658,594.48/x
  3. Step 3: Cross multiply
    9,142,138.35x = 12,617,436.18 × 5,658,594.48
  4. Step 4: Simplify right side
    9,142,138.35x = 71,396,954,719,900.30
  5. Step 5: Solve for x
    x = 71,396,954,719,900.30/9,142,138.35
  6. Step 6: Final answer
    x = 7,809,655.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.