Home / 12,783,651.46-17,641,333.92-6,982,437.13

Finding the Fourth Proportional to 12,783,651.46, 17,641,333.92 and 6,982,437.13

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Solution

The fourth proportional to 12,783,651.46, 17,641,333.92 and 6,982,437.13 is: 9,635,705.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,783,651.46 : 17,641,333.92 = 6,982,437.13 : x
  2. Step 2: Convert to fraction form
    12,783,651.46/17,641,333.92 = 6,982,437.13/x
  3. Step 3: Cross multiply
    12,783,651.46x = 17,641,333.92 × 6,982,437.13
  4. Step 4: Simplify right side
    12,783,651.46x = 123,179,504,985,736.45
  5. Step 5: Solve for x
    x = 123,179,504,985,736.45/12,783,651.46
  6. Step 6: Final answer
    x = 9,635,705.84

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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.