Home / 12,783,650.46-17,641,332.54-6,982,436.13

Finding the Fourth Proportional to 12,783,650.46, 17,641,332.54 and 6,982,436.13

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Solution

The fourth proportional to 12,783,650.46, 17,641,332.54 and 6,982,436.13 is: 9,635,704.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,783,650.46 : 17,641,332.54 = 6,982,436.13 : x
  2. Step 2: Convert to fraction form
    12,783,650.46/17,641,332.54 = 6,982,436.13/x
  3. Step 3: Cross multiply
    12,783,650.46x = 17,641,332.54 × 6,982,436.13
  4. Step 4: Simplify right side
    12,783,650.46x = 123,179,477,708,640.66
  5. Step 5: Solve for x
    x = 123,179,477,708,640.66/12,783,650.46
  6. Step 6: Final answer
    x = 9,635,704.46

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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.