Home / 12,642,914.22-17,447,221.68-6,841,695.96

Finding the Fourth Proportional to 12,642,914.22, 17,447,221.68 and 6,841,695.96

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Solution

The fourth proportional to 12,642,914.22, 17,447,221.68 and 6,841,695.96 is: 9,441,540.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,642,914.22 : 17,447,221.68 = 6,841,695.96 : x
  2. Step 2: Convert to fraction form
    12,642,914.22/17,447,221.68 = 6,841,695.96/x
  3. Step 3: Cross multiply
    12,642,914.22x = 17,447,221.68 × 6,841,695.96
  4. Step 4: Simplify right side
    12,642,914.22x = 119,368,586,081,280.41
  5. Step 5: Solve for x
    x = 119,368,586,081,280.41/12,642,914.22
  6. Step 6: Final answer
    x = 9,441,540.46

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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.