Home / 12,783,749.96-17,641,470.12-6,982,535.36

Finding the Fourth Proportional to 12,783,749.96, 17,641,470.12 and 6,982,535.36

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Solution

The fourth proportional to 12,783,749.96, 17,641,470.12 and 6,982,535.36 is: 9,635,841.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,783,749.96 : 17,641,470.12 = 6,982,535.36 : x
  2. Step 2: Convert to fraction form
    12,783,749.96/17,641,470.12 = 6,982,535.36/x
  3. Step 3: Cross multiply
    12,783,749.96x = 17,641,470.12 × 6,982,535.36
  4. Step 4: Simplify right side
    12,783,749.96x = 123,182,188,915,283.45
  5. Step 5: Solve for x
    x = 123,182,188,915,283.45/12,783,749.96
  6. Step 6: Final answer
    x = 9,635,841.54

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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.