Home / 8,589,067.20-12,883,600.80-2,605,435.20

Finding the Fourth Proportional to 8,589,067.20, 12,883,600.80 and 2,605,435.20

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Solution

The fourth proportional to 8,589,067.20, 12,883,600.80 and 2,605,435.20 is: 3,908,152.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,589,067.20 : 12,883,600.80 = 2,605,435.20 : x
  2. Step 2: Convert to fraction form
    8,589,067.20/12,883,600.80 = 2,605,435.20/x
  3. Step 3: Cross multiply
    8,589,067.20x = 12,883,600.80 × 2,605,435.20
  4. Step 4: Simplify right side
    8,589,067.20x = 33,567,387,027,068.16
  5. Step 5: Solve for x
    x = 33,567,387,027,068.16/8,589,067.20
  6. Step 6: Final answer
    x = 3,908,152.80

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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.