Home / 12,662,135-17,473,761.66-6,860,912.16

Finding the Fourth Proportional to 12,662,135, 17,473,761.66 and 6,860,912.16

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Solution

The fourth proportional to 12,662,135, 17,473,761.66 and 6,860,912.16 is: 9,468,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,662,135 : 17,473,761.66 = 6,860,912.16 : x
  2. Step 2: Convert to fraction form
    12,662,135/17,473,761.66 = 6,860,912.16/x
  3. Step 3: Cross multiply
    12,662,135x = 17,473,761.66 × 6,860,912.16
  4. Step 4: Simplify right side
    12,662,135x = 119,885,943,854,035.80
  5. Step 5: Solve for x
    x = 119,885,943,854,035.80/12,662,135
  6. Step 6: Final answer
    x = 9,468,067.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.