Home / 12,251,266.20-18,376,899.30-7,968,245.40

Finding the Fourth Proportional to 12,251,266.20, 18,376,899.30 and 7,968,245.40

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Solution

The fourth proportional to 12,251,266.20, 18,376,899.30 and 7,968,245.40 is: 11,952,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251,266.20 : 18,376,899.30 = 7,968,245.40 : x
  2. Step 2: Convert to fraction form
    12,251,266.20/18,376,899.30 = 7,968,245.40/x
  3. Step 3: Cross multiply
    12,251,266.20x = 18,376,899.30 × 7,968,245.40
  4. Step 4: Simplify right side
    12,251,266.20x = 146,431,643,313,488.22
  5. Step 5: Solve for x
    x = 146,431,643,313,488.22/12,251,266.20
  6. Step 6: Final answer
    x = 11,952,368.10

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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.