Home / 8,415,268.83-12,640,845.27-7,923,263.91

Finding the Fourth Proportional to 8,415,268.83, 12,640,845.27 and 7,923,263.91

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Solution

The fourth proportional to 8,415,268.83, 12,640,845.27 and 7,923,263.91 is: 11,901,788.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,415,268.83 : 12,640,845.27 = 7,923,263.91 : x
  2. Step 2: Convert to fraction form
    8,415,268.83/12,640,845.27 = 7,923,263.91/x
  3. Step 3: Cross multiply
    8,415,268.83x = 12,640,845.27 × 7,923,263.91
  4. Step 4: Simplify right side
    8,415,268.83x = 100,156,753,119,685.20
  5. Step 5: Solve for x
    x = 100,156,753,119,685.20/8,415,268.83
  6. Step 6: Final answer
    x = 11,901,788.90

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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.