Home / 11,481,381.16-17,201,067.90-5,421,118.12

Finding the Fourth Proportional to 11,481,381.16, 17,201,067.90 and 5,421,118.12

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Solution

The fourth proportional to 11,481,381.16, 17,201,067.90 and 5,421,118.12 is: 8,121,759.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,481,381.16 : 17,201,067.90 = 5,421,118.12 : x
  2. Step 2: Convert to fraction form
    11,481,381.16/17,201,067.90 = 5,421,118.12/x
  3. Step 3: Cross multiply
    11,481,381.16x = 17,201,067.90 × 5,421,118.12
  4. Step 4: Simplify right side
    11,481,381.16x = 93,249,020,876,040.34
  5. Step 5: Solve for x
    x = 93,249,020,876,040.34/11,481,381.16
  6. Step 6: Final answer
    x = 8,121,759.88

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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.