Home / 12,785,982.12-17,644,546.98-6,984,766.44

Finding the Fourth Proportional to 12,785,982.12, 17,644,546.98 and 6,984,766.44

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Solution

The fourth proportional to 12,785,982.12, 17,644,546.98 and 6,984,766.44 is: 9,638,918.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,785,982.12 : 17,644,546.98 = 6,984,766.44 : x
  2. Step 2: Convert to fraction form
    12,785,982.12/17,644,546.98 = 6,984,766.44/x
  3. Step 3: Cross multiply
    12,785,982.12x = 17,644,546.98 × 6,984,766.44
  4. Step 4: Simplify right side
    12,785,982.12x = 123,243,039,594,907.36
  5. Step 5: Solve for x
    x = 123,243,039,594,907.36/12,785,982.12
  6. Step 6: Final answer
    x = 9,638,918.50

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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.