Home / 18,912,235.56-28,366,580.43-6,132,850.98

Finding the Fourth Proportional to 18,912,235.56, 28,366,580.43 and 6,132,850.98

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Solution

The fourth proportional to 18,912,235.56, 28,366,580.43 and 6,132,850.98 is: 9,198,701.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,912,235.56 : 28,366,580.43 = 6,132,850.98 : x
  2. Step 2: Convert to fraction form
    18,912,235.56/28,366,580.43 = 6,132,850.98/x
  3. Step 3: Cross multiply
    18,912,235.56x = 28,366,580.43 × 6,132,850.98
  4. Step 4: Simplify right side
    18,912,235.56x = 173,968,010,589,374.34
  5. Step 5: Solve for x
    x = 173,968,010,589,374.34/18,912,235.56
  6. Step 6: Final answer
    x = 9,198,701.55

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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.