Home / 21,199,886.12-31,802,040.09-5,847,178.43

Finding the Fourth Proportional to 21,199,886.12, 31,802,040.09 and 5,847,178.43

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Solution

The fourth proportional to 21,199,886.12, 31,802,040.09 and 5,847,178.43 is: 8,771,377.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,199,886.12 : 31,802,040.09 = 5,847,178.43 : x
  2. Step 2: Convert to fraction form
    21,199,886.12/31,802,040.09 = 5,847,178.43/x
  3. Step 3: Cross multiply
    21,199,886.12x = 31,802,040.09 × 5,847,178.43
  4. Step 4: Simplify right side
    21,199,886.12x = 185,952,202,844,243.25
  5. Step 5: Solve for x
    x = 185,952,202,844,243.25/21,199,886.12
  6. Step 6: Final answer
    x = 8,771,377.44

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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.