Home / 8,188,429.08-12,257,449.38-5,342,413.08

Finding the Fourth Proportional to 8,188,429.08, 12,257,449.38 and 5,342,413.08

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Solution

The fourth proportional to 8,188,429.08, 12,257,449.38 and 5,342,413.08 is: 7,997,182.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188,429.08 : 12,257,449.38 = 5,342,413.08 : x
  2. Step 2: Convert to fraction form
    8,188,429.08/12,257,449.38 = 5,342,413.08/x
  3. Step 3: Cross multiply
    8,188,429.08x = 12,257,449.38 × 5,342,413.08
  4. Step 4: Simplify right side
    8,188,429.08x = 65,484,357,895,149.90
  5. Step 5: Solve for x
    x = 65,484,357,895,149.90/8,188,429.08
  6. Step 6: Final answer
    x = 7,997,182.03

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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.