Home / 8,191,618.64-12,292,912.72-3,399,312.48

Finding the Fourth Proportional to 8,191,618.64, 12,292,912.72 and 3,399,312.48

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Solution

The fourth proportional to 8,191,618.64, 12,292,912.72 and 3,399,312.48 is: 5,101,244.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,191,618.64 : 12,292,912.72 = 3,399,312.48 : x
  2. Step 2: Convert to fraction form
    8,191,618.64/12,292,912.72 = 3,399,312.48/x
  3. Step 3: Cross multiply
    8,191,618.64x = 12,292,912.72 × 3,399,312.48
  4. Step 4: Simplify right side
    8,191,618.64x = 41,787,451,624,646.75
  5. Step 5: Solve for x
    x = 41,787,451,624,646.75/8,191,618.64
  6. Step 6: Final answer
    x = 5,101,244.76

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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.