Home / 12,642,775-17,441,469.66-7,413,113.80

Finding the Fourth Proportional to 12,642,775, 17,441,469.66 and 7,413,113.80

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Solution

The fourth proportional to 12,642,775, 17,441,469.66 and 7,413,113.80 is: 10,226,837.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,642,775 : 17,441,469.66 = 7,413,113.80 : x
  2. Step 2: Convert to fraction form
    12,642,775/17,441,469.66 = 7,413,113.80/x
  3. Step 3: Cross multiply
    12,642,775x = 17,441,469.66 × 7,413,113.80
  4. Step 4: Simplify right side
    12,642,775x = 129,295,599,428,827.31
  5. Step 5: Solve for x
    x = 129,295,599,428,827.31/12,642,775
  6. Step 6: Final answer
    x = 10,226,837.02

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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.