Home / 8,770,131.45-13,155,190.70-2,381,321.25

Finding the Fourth Proportional to 8,770,131.45, 13,155,190.70 and 2,381,321.25

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Solution

The fourth proportional to 8,770,131.45, 13,155,190.70 and 2,381,321.25 is: 3,571,980.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770,131.45 : 13,155,190.70 = 2,381,321.25 : x
  2. Step 2: Convert to fraction form
    8,770,131.45/13,155,190.70 = 2,381,321.25/x
  3. Step 3: Cross multiply
    8,770,131.45x = 13,155,190.70 × 2,381,321.25
  4. Step 4: Simplify right side
    8,770,131.45x = 31,326,735,149,805.77
  5. Step 5: Solve for x
    x = 31,326,735,149,805.77/8,770,131.45
  6. Step 6: Final answer
    x = 3,571,980.12

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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.