Home / 13,561,128.23-18,714,527.14-7,366,278.38

Finding the Fourth Proportional to 13,561,128.23, 18,714,527.14 and 7,366,278.38

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Solution

The fourth proportional to 13,561,128.23, 18,714,527.14 and 7,366,278.38 is: 10,165,556.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,561,128.23 : 18,714,527.14 = 7,366,278.38 : x
  2. Step 2: Convert to fraction form
    13,561,128.23/18,714,527.14 = 7,366,278.38/x
  3. Step 3: Cross multiply
    13,561,128.23x = 18,714,527.14 × 7,366,278.38
  4. Step 4: Simplify right side
    13,561,128.23x = 137,856,416,663,305.23
  5. Step 5: Solve for x
    x = 137,856,416,663,305.23/13,561,128.23
  6. Step 6: Final answer
    x = 10,165,556.61

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1.5x scale

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.