Home / 12,526,449.88-18,785,066.06-4,327,005.45

Finding the Fourth Proportional to 12,526,449.88, 18,785,066.06 and 4,327,005.45

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Solution

The fourth proportional to 12,526,449.88, 18,785,066.06 and 4,327,005.45 is: 6,488,916.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526,449.88 : 18,785,066.06 = 4,327,005.45 : x
  2. Step 2: Convert to fraction form
    12,526,449.88/18,785,066.06 = 4,327,005.45/x
  3. Step 3: Cross multiply
    12,526,449.88x = 18,785,066.06 × 4,327,005.45
  4. Step 4: Simplify right side
    12,526,449.88x = 81,283,083,195,825.55
  5. Step 5: Solve for x
    x = 81,283,083,195,825.55/12,526,449.88
  6. Step 6: Final answer
    x = 6,488,916.17

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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.