Home / 12,642,912.67-17,447,219.47-6,841,694.39

Finding the Fourth Proportional to 12,642,912.67, 17,447,219.47 and 6,841,694.39

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Solution

The fourth proportional to 12,642,912.67, 17,447,219.47 and 6,841,694.39 is: 9,441,538.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,642,912.67 : 17,447,219.47 = 6,841,694.39 : x
  2. Step 2: Convert to fraction form
    12,642,912.67/17,447,219.47 = 6,841,694.39/x
  3. Step 3: Cross multiply
    12,642,912.67x = 17,447,219.47 × 6,841,694.39
  4. Step 4: Simplify right side
    12,642,912.67x = 119,368,543,481,761.66
  5. Step 5: Solve for x
    x = 119,368,543,481,761.66/12,642,912.67
  6. Step 6: Final answer
    x = 9,441,538.25

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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.