Home / 7,880,544.28-11,819,837.94-2,123,728

Finding the Fourth Proportional to 7,880,544.28, 11,819,837.94 and 2,123,728

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Solution

The fourth proportional to 7,880,544.28, 11,819,837.94 and 2,123,728 is: 3,185,328.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880,544.28 : 11,819,837.94 = 2,123,728 : x
  2. Step 2: Convert to fraction form
    7,880,544.28/11,819,837.94 = 2,123,728/x
  3. Step 3: Cross multiply
    7,880,544.28x = 11,819,837.94 × 2,123,728
  4. Step 4: Simplify right side
    7,880,544.28x = 25,102,120,788,640.32
  5. Step 5: Solve for x
    x = 25,102,120,788,640.32/7,880,544.28
  6. Step 6: Final answer
    x = 3,185,328.31

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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.