Home / 7,880,049.76-11,820,430.26-2,414,751.28

Finding the Fourth Proportional to 7,880,049.76, 11,820,430.26 and 2,414,751.28

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Solution

The fourth proportional to 7,880,049.76, 11,820,430.26 and 2,414,751.28 is: 3,622,235.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880,049.76 : 11,820,430.26 = 2,414,751.28 : x
  2. Step 2: Convert to fraction form
    7,880,049.76/11,820,430.26 = 2,414,751.28/x
  3. Step 3: Cross multiply
    7,880,049.76x = 11,820,430.26 × 2,414,751.28
  4. Step 4: Simplify right side
    7,880,049.76x = 28,543,399,100,485.73
  5. Step 5: Solve for x
    x = 28,543,399,100,485.73/7,880,049.76
  6. Step 6: Final answer
    x = 3,622,235.90

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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.