Home / 21,186,770.72-31,780,451.34-6,040,702.22

Finding the Fourth Proportional to 21,186,770.72, 31,780,451.34 and 6,040,702.22

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Solution

The fourth proportional to 21,186,770.72, 31,780,451.34 and 6,040,702.22 is: 9,061,137.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,186,770.72 : 31,780,451.34 = 6,040,702.22 : x
  2. Step 2: Convert to fraction form
    21,186,770.72/31,780,451.34 = 6,040,702.22/x
  3. Step 3: Cross multiply
    21,186,770.72x = 31,780,451.34 × 6,040,702.22
  4. Step 4: Simplify right side
    21,186,770.72x = 191,976,242,962,139.97
  5. Step 5: Solve for x
    x = 191,976,242,962,139.97/21,186,770.72
  6. Step 6: Final answer
    x = 9,061,137.51

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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.