Home / 12,526,603.82-18,785,297.10-4,327,159.58

Finding the Fourth Proportional to 12,526,603.82, 18,785,297.10 and 4,327,159.58

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Solution

The fourth proportional to 12,526,603.82, 18,785,297.10 and 4,327,159.58 is: 6,489,147.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526,603.82 : 18,785,297.10 = 4,327,159.58 : x
  2. Step 2: Convert to fraction form
    12,526,603.82/18,785,297.10 = 4,327,159.58/x
  3. Step 3: Cross multiply
    12,526,603.82x = 18,785,297.10 × 4,327,159.58
  4. Step 4: Simplify right side
    12,526,603.82x = 81,286,978,309,411.22
  5. Step 5: Solve for x
    x = 81,286,978,309,411.22/12,526,603.82
  6. Step 6: Final answer
    x = 6,489,147.38

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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.