Home / 12,456,687.70-17,190,205.18-6,949,734.90

Finding the Fourth Proportional to 12,456,687.70, 17,190,205.18 and 6,949,734.90

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Solution

The fourth proportional to 12,456,687.70, 17,190,205.18 and 6,949,734.90 is: 9,590,620.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456,687.70 : 17,190,205.18 = 6,949,734.90 : x
  2. Step 2: Convert to fraction form
    12,456,687.70/17,190,205.18 = 6,949,734.90/x
  3. Step 3: Cross multiply
    12,456,687.70x = 17,190,205.18 × 6,949,734.90
  4. Step 4: Simplify right side
    12,456,687.70x = 119,467,368,877,606.78
  5. Step 5: Solve for x
    x = 119,467,368,877,606.78/12,456,687.70
  6. Step 6: Final answer
    x = 9,590,620.86

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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.