Home / 8,216,818.18-12,317,217.35-3,425,877.56

Finding the Fourth Proportional to 8,216,818.18, 12,317,217.35 and 3,425,877.56

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Solution

The fourth proportional to 8,216,818.18, 12,317,217.35 and 3,425,877.56 is: 5,135,476.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216,818.18 : 12,317,217.35 = 3,425,877.56 : x
  2. Step 2: Convert to fraction form
    8,216,818.18/12,317,217.35 = 3,425,877.56/x
  3. Step 3: Cross multiply
    8,216,818.18x = 12,317,217.35 × 3,425,877.56
  4. Step 4: Simplify right side
    8,216,818.18x = 42,197,278,534,671.32
  5. Step 5: Solve for x
    x = 42,197,278,534,671.32/8,216,818.18
  6. Step 6: Final answer
    x = 5,135,476.73

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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.