Home / 12,382,657.65-17,088,121.22-6,876,015.66

Finding the Fourth Proportional to 12,382,657.65, 17,088,121.22 and 6,876,015.66

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Solution

The fourth proportional to 12,382,657.65, 17,088,121.22 and 6,876,015.66 is: 9,488,931.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,382,657.65 : 17,088,121.22 = 6,876,015.66 : x
  2. Step 2: Convert to fraction form
    12,382,657.65/17,088,121.22 = 6,876,015.66/x
  3. Step 3: Cross multiply
    12,382,657.65x = 17,088,121.22 × 6,876,015.66
  4. Step 4: Simplify right side
    12,382,657.65x = 117,498,189,074,318.23
  5. Step 5: Solve for x
    x = 117,498,189,074,318.23/12,382,657.65
  6. Step 6: Final answer
    x = 9,488,931.41

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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.