Home / 13,556,514.24-18,707,921.66-7,361,505.61

Finding the Fourth Proportional to 13,556,514.24, 18,707,921.66 and 7,361,505.61

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Solution

The fourth proportional to 13,556,514.24, 18,707,921.66 and 7,361,505.61 is: 10,158,840.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556,514.24 : 18,707,921.66 = 7,361,505.61 : x
  2. Step 2: Convert to fraction form
    13,556,514.24/18,707,921.66 = 7,361,505.61/x
  3. Step 3: Cross multiply
    13,556,514.24x = 18,707,921.66 × 7,361,505.61
  4. Step 4: Simplify right side
    13,556,514.24x = 137,718,470,223,164.48
  5. Step 5: Solve for x
    x = 137,718,470,223,164.48/13,556,514.24
  6. Step 6: Final answer
    x = 10,158,840.82

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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.