Home / 8,191,634.64-12,292,936.80-3,399,328.56

Finding the Fourth Proportional to 8,191,634.64, 12,292,936.80 and 3,399,328.56

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Solution

The fourth proportional to 8,191,634.64, 12,292,936.80 and 3,399,328.56 is: 5,101,268.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,191,634.64 : 12,292,936.80 = 3,399,328.56 : x
  2. Step 2: Convert to fraction form
    8,191,634.64/12,292,936.80 = 3,399,328.56/x
  3. Step 3: Cross multiply
    8,191,634.64x = 12,292,936.80 × 3,399,328.56
  4. Step 4: Simplify right side
    8,191,634.64x = 41,787,731,150,515.01
  5. Step 5: Solve for x
    x = 41,787,731,150,515.01/8,191,634.64
  6. Step 6: Final answer
    x = 5,101,268.91

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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.