Home / 7,880,042.70-11,820,419.76-2,414,744.28

Finding the Fourth Proportional to 7,880,042.70, 11,820,419.76 and 2,414,744.28

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Solution

The fourth proportional to 7,880,042.70, 11,820,419.76 and 2,414,744.28 is: 3,622,225.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880,042.70 : 11,820,419.76 = 2,414,744.28 : x
  2. Step 2: Convert to fraction form
    7,880,042.70/11,820,419.76 = 2,414,744.28/x
  3. Step 3: Cross multiply
    7,880,042.70x = 11,820,419.76 × 2,414,744.28
  4. Step 4: Simplify right side
    7,880,042.70x = 28,543,291,002,658.97
  5. Step 5: Solve for x
    x = 28,543,291,002,658.97/7,880,042.70
  6. Step 6: Final answer
    x = 3,622,225.42

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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.