Home / 12,642,912.42-17,447,219.20-6,841,694.22

Finding the Fourth Proportional to 12,642,912.42, 17,447,219.20 and 6,841,694.22

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Solution

The fourth proportional to 12,642,912.42, 17,447,219.20 and 6,841,694.22 is: 9,441,538.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,642,912.42 : 17,447,219.20 = 6,841,694.22 : x
  2. Step 2: Convert to fraction form
    12,642,912.42/17,447,219.20 = 6,841,694.22/x
  3. Step 3: Cross multiply
    12,642,912.42x = 17,447,219.20 × 6,841,694.22
  4. Step 4: Simplify right side
    12,642,912.42x = 119,368,538,755,713.02
  5. Step 5: Solve for x
    x = 119,368,538,755,713.02/12,642,912.42
  6. Step 6: Final answer
    x = 9,441,538.06

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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.