Home / 8,458,520.05-12,690,512.53-3,912,550.90

Finding the Fourth Proportional to 8,458,520.05, 12,690,512.53 and 3,912,550.90

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Solution

The fourth proportional to 8,458,520.05, 12,690,512.53 and 3,912,550.90 is: 5,870,090.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458,520.05 : 12,690,512.53 = 3,912,550.90 : x
  2. Step 2: Convert to fraction form
    8,458,520.05/12,690,512.53 = 3,912,550.90/x
  3. Step 3: Cross multiply
    8,458,520.05x = 12,690,512.53 × 3,912,550.90
  4. Step 4: Simplify right side
    8,458,520.05x = 49,652,276,220,712.77
  5. Step 5: Solve for x
    x = 49,652,276,220,712.77/8,458,520.05
  6. Step 6: Final answer
    x = 5,870,090.27

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.