Home / 12,302,696.40-18,454,044.60-11,686,837.20

Finding the Fourth Proportional to 12,302,696.40, 18,454,044.60 and 11,686,837.20

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Solution

The fourth proportional to 12,302,696.40, 18,454,044.60 and 11,686,837.20 is: 17,530,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302,696.40 : 18,454,044.60 = 11,686,837.20 : x
  2. Step 2: Convert to fraction form
    12,302,696.40/18,454,044.60 = 11,686,837.20/x
  3. Step 3: Cross multiply
    12,302,696.40x = 18,454,044.60 × 11,686,837.20
  4. Step 4: Simplify right side
    12,302,696.40x = 215,669,414,921,739.12
  5. Step 5: Solve for x
    x = 215,669,414,921,739.12/12,302,696.40
  6. Step 6: Final answer
    x = 17,530,255.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.