Home / 12,382,901.76-17,087,466.96-6,949,344

Finding the Fourth Proportional to 12,382,901.76, 17,087,466.96 and 6,949,344

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Solution

The fourth proportional to 12,382,901.76, 17,087,466.96 and 6,949,344 is: 9,589,568.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,382,901.76 : 17,087,466.96 = 6,949,344 : x
  2. Step 2: Convert to fraction form
    12,382,901.76/17,087,466.96 = 6,949,344/x
  3. Step 3: Cross multiply
    12,382,901.76x = 17,087,466.96 × 6,949,344
  4. Step 4: Simplify right side
    12,382,901.76x = 118,746,685,993,674.25
  5. Step 5: Solve for x
    x = 118,746,685,993,674.25/12,382,901.76
  6. Step 6: Final answer
    x = 9,589,568.61

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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.