Home / 11,921,678.88-17,882,686.02-3,402,016.26

Finding the Fourth Proportional to 11,921,678.88, 17,882,686.02 and 3,402,016.26

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Solution

The fourth proportional to 11,921,678.88, 17,882,686.02 and 3,402,016.26 is: 5,103,072.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,921,678.88 : 17,882,686.02 = 3,402,016.26 : x
  2. Step 2: Convert to fraction form
    11,921,678.88/17,882,686.02 = 3,402,016.26/x
  3. Step 3: Cross multiply
    11,921,678.88x = 17,882,686.02 × 3,402,016.26
  4. Step 4: Simplify right side
    11,921,678.88x = 60,837,188,612,514.68
  5. Step 5: Solve for x
    x = 60,837,188,612,514.68/11,921,678.88
  6. Step 6: Final answer
    x = 5,103,072.25

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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.