Home / 12,882,415.67-17,777,628.83-7,081,135.73

Finding the Fourth Proportional to 12,882,415.67, 17,777,628.83 and 7,081,135.73

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Solution

The fourth proportional to 12,882,415.67, 17,777,628.83 and 7,081,135.73 is: 9,771,909.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882,415.67 : 17,777,628.83 = 7,081,135.73 : x
  2. Step 2: Convert to fraction form
    12,882,415.67/17,777,628.83 = 7,081,135.73/x
  3. Step 3: Cross multiply
    12,882,415.67x = 17,777,628.83 × 7,081,135.73
  4. Step 4: Simplify right side
    12,882,415.67x = 125,885,802,702,791.09
  5. Step 5: Solve for x
    x = 125,885,802,702,791.09/12,882,415.67
  6. Step 6: Final answer
    x = 9,771,909.70

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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.