Home / 8,458,549.97-12,690,557.38-3,912,580.81

Finding the Fourth Proportional to 8,458,549.97, 12,690,557.38 and 3,912,580.81

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Solution

The fourth proportional to 8,458,549.97, 12,690,557.38 and 3,912,580.81 is: 5,870,135.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458,549.97 : 12,690,557.38 = 3,912,580.81 : x
  2. Step 2: Convert to fraction form
    8,458,549.97/12,690,557.38 = 3,912,580.81/x
  3. Step 3: Cross multiply
    8,458,549.97x = 12,690,557.38 × 3,912,580.81
  4. Step 4: Simplify right side
    8,458,549.97x = 49,652,831,209,739.09
  5. Step 5: Solve for x
    x = 49,652,831,209,739.09/8,458,549.97
  6. Step 6: Final answer
    x = 5,870,135.12

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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.