Home / 8,268,733.71-12,403,057.53-2,120,686.68

Finding the Fourth Proportional to 8,268,733.71, 12,403,057.53 and 2,120,686.68

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Solution

The fourth proportional to 8,268,733.71, 12,403,057.53 and 2,120,686.68 is: 3,181,018.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268,733.71 : 12,403,057.53 = 2,120,686.68 : x
  2. Step 2: Convert to fraction form
    8,268,733.71/12,403,057.53 = 2,120,686.68/x
  3. Step 3: Cross multiply
    8,268,733.71x = 12,403,057.53 × 2,120,686.68
  4. Step 4: Simplify right side
    8,268,733.71x = 26,302,998,895,144.70
  5. Step 5: Solve for x
    x = 26,302,998,895,144.70/8,268,733.71
  6. Step 6: Final answer
    x = 3,181,018.98

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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.