Home / 11,520,413.20-17,280,619.80-8,534,429.20

Finding the Fourth Proportional to 11,520,413.20, 17,280,619.80 and 8,534,429.20

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Solution

The fourth proportional to 11,520,413.20, 17,280,619.80 and 8,534,429.20 is: 12,801,643.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,520,413.20 : 17,280,619.80 = 8,534,429.20 : x
  2. Step 2: Convert to fraction form
    11,520,413.20/17,280,619.80 = 8,534,429.20/x
  3. Step 3: Cross multiply
    11,520,413.20x = 17,280,619.80 × 8,534,429.20
  4. Step 4: Simplify right side
    11,520,413.20x = 147,480,226,215,218.16
  5. Step 5: Solve for x
    x = 147,480,226,215,218.16/11,520,413.20
  6. Step 6: Final answer
    x = 12,801,643.80

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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.