Home / 8,278,912.28-12,417,390.46-2,214,114.07

Finding the Fourth Proportional to 8,278,912.28, 12,417,390.46 and 2,214,114.07

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Solution

The fourth proportional to 8,278,912.28, 12,417,390.46 and 2,214,114.07 is: 3,320,909.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278,912.28 : 12,417,390.46 = 2,214,114.07 : x
  2. Step 2: Convert to fraction form
    8,278,912.28/12,417,390.46 = 2,214,114.07/x
  3. Step 3: Cross multiply
    8,278,912.28x = 12,417,390.46 × 2,214,114.07
  4. Step 4: Simplify right side
    8,278,912.28x = 27,493,518,966,748.53
  5. Step 5: Solve for x
    x = 27,493,518,966,748.53/8,278,912.28
  6. Step 6: Final answer
    x = 3,320,909.57

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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.