Home / 8,372,634.21-12,550,979.66-2,688,872.72

Finding the Fourth Proportional to 8,372,634.21, 12,550,979.66 and 2,688,872.72

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Solution

The fourth proportional to 8,372,634.21, 12,550,979.66 and 2,688,872.72 is: 4,030,748.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372,634.21 : 12,550,979.66 = 2,688,872.72 : x
  2. Step 2: Convert to fraction form
    8,372,634.21/12,550,979.66 = 2,688,872.72/x
  3. Step 3: Cross multiply
    8,372,634.21x = 12,550,979.66 × 2,688,872.72
  4. Step 4: Simplify right side
    8,372,634.21x = 33,747,986,740,849.61
  5. Step 5: Solve for x
    x = 33,747,986,740,849.61/8,372,634.21
  6. Step 6: Final answer
    x = 4,030,748.97

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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.