Home / 8,115,407.82-12,173,924.57-2,999,182.55

Finding the Fourth Proportional to 8,115,407.82, 12,173,924.57 and 2,999,182.55

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Solution

The fourth proportional to 8,115,407.82, 12,173,924.57 and 2,999,182.55 is: 4,499,074.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,115,407.82 : 12,173,924.57 = 2,999,182.55 : x
  2. Step 2: Convert to fraction form
    8,115,407.82/12,173,924.57 = 2,999,182.55/x
  3. Step 3: Cross multiply
    8,115,407.82x = 12,173,924.57 × 2,999,182.55
  4. Step 4: Simplify right side
    8,115,407.82x = 36,511,822,059,494.72
  5. Step 5: Solve for x
    x = 36,511,822,059,494.72/8,115,407.82
  6. Step 6: Final answer
    x = 4,499,074.21

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1.5x scale

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.