Home / 15,833,487.18-21,850,121.07-8,589,987.66

Finding the Fourth Proportional to 15,833,487.18, 21,850,121.07 and 8,589,987.66

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Solution

The fourth proportional to 15,833,487.18, 21,850,121.07 and 8,589,987.66 is: 11,854,133.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,833,487.18 : 21,850,121.07 = 8,589,987.66 : x
  2. Step 2: Convert to fraction form
    15,833,487.18/21,850,121.07 = 8,589,987.66/x
  3. Step 3: Cross multiply
    15,833,487.18x = 21,850,121.07 × 8,589,987.66
  4. Step 4: Simplify right side
    15,833,487.18x = 187,692,270,360,806
  5. Step 5: Solve for x
    x = 187,692,270,360,806/15,833,487.18
  6. Step 6: Final answer
    x = 11,854,133.47

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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.