Home / 12,251,260.64-18,388,253.38-6,190,248.80

Finding the Fourth Proportional to 12,251,260.64, 18,388,253.38 and 6,190,248.80

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Solution

The fourth proportional to 12,251,260.64, 18,388,253.38 and 6,190,248.80 is: 9,291,114.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251,260.64 : 18,388,253.38 = 6,190,248.80 : x
  2. Step 2: Convert to fraction form
    12,251,260.64/18,388,253.38 = 6,190,248.80/x
  3. Step 3: Cross multiply
    12,251,260.64x = 18,388,253.38 × 6,190,248.80
  4. Step 4: Simplify right side
    12,251,260.64x = 113,827,863,419,640.94
  5. Step 5: Solve for x
    x = 113,827,863,419,640.94/12,251,260.64
  6. Step 6: Final answer
    x = 9,291,114.34

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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.