Home / 12,842,972.52-17,724,098.34-7,119,836.52

Finding the Fourth Proportional to 12,842,972.52, 17,724,098.34 and 7,119,836.52

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Solution

The fourth proportional to 12,842,972.52, 17,724,098.34 and 7,119,836.52 is: 9,825,815.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,842,972.52 : 17,724,098.34 = 7,119,836.52 : x
  2. Step 2: Convert to fraction form
    12,842,972.52/17,724,098.34 = 7,119,836.52/x
  3. Step 3: Cross multiply
    12,842,972.52x = 17,724,098.34 × 7,119,836.52
  4. Step 4: Simplify right side
    12,842,972.52x = 126,192,682,645,203.38
  5. Step 5: Solve for x
    x = 126,192,682,645,203.38/12,842,972.52
  6. Step 6: Final answer
    x = 9,825,815.83

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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.