Home / 8,268,382.58-12,402,546.08-2,120,357.43

Finding the Fourth Proportional to 8,268,382.58, 12,402,546.08 and 2,120,357.43

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Solution

The fourth proportional to 8,268,382.58, 12,402,546.08 and 2,120,357.43 is: 3,180,529.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268,382.58 : 12,402,546.08 = 2,120,357.43 : x
  2. Step 2: Convert to fraction form
    8,268,382.58/12,402,546.08 = 2,120,357.43/x
  3. Step 3: Cross multiply
    8,268,382.58x = 12,402,546.08 × 2,120,357.43
  4. Step 4: Simplify right side
    8,268,382.58x = 26,297,830,721,043.59
  5. Step 5: Solve for x
    x = 26,297,830,721,043.59/8,268,382.58
  6. Step 6: Final answer
    x = 3,180,529.02

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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.