Home / 12,522,235.85-17,282,509.82-7,015,982.90

Finding the Fourth Proportional to 12,522,235.85, 17,282,509.82 and 7,015,982.90

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Solution

The fourth proportional to 12,522,235.85, 17,282,509.82 and 7,015,982.90 is: 9,683,078.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,522,235.85 : 17,282,509.82 = 7,015,982.90 : x
  2. Step 2: Convert to fraction form
    12,522,235.85/17,282,509.82 = 7,015,982.90/x
  3. Step 3: Cross multiply
    12,522,235.85x = 17,282,509.82 × 7,015,982.90
  4. Step 4: Simplify right side
    12,522,235.85x = 121,253,793,319,626.61
  5. Step 5: Solve for x
    x = 121,253,793,319,626.61/12,522,235.85
  6. Step 6: Final answer
    x = 9,683,078.54

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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.