Home / 8,121,413.67-12,184,833.75-2,656,757.68

Finding the Fourth Proportional to 8,121,413.67, 12,184,833.75 and 2,656,757.68

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Solution

The fourth proportional to 8,121,413.67, 12,184,833.75 and 2,656,757.68 is: 3,986,024.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121,413.67 : 12,184,833.75 = 2,656,757.68 : x
  2. Step 2: Convert to fraction form
    8,121,413.67/12,184,833.75 = 2,656,757.68/x
  3. Step 3: Cross multiply
    8,121,413.67x = 12,184,833.75 × 2,656,757.68
  4. Step 4: Simplify right side
    8,121,413.67x = 32,372,150,604,410.78
  5. Step 5: Solve for x
    x = 32,372,150,604,410.78/8,121,413.67
  6. Step 6: Final answer
    x = 3,986,024.10

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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.