Home / 18,812,025.17-28,212,912.49-5,161,935.41

Finding the Fourth Proportional to 18,812,025.17, 28,212,912.49 and 5,161,935.41

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Solution

The fourth proportional to 18,812,025.17, 28,212,912.49 and 5,161,935.41 is: 7,741,496.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,812,025.17 : 28,212,912.49 = 5,161,935.41 : x
  2. Step 2: Convert to fraction form
    18,812,025.17/28,212,912.49 = 5,161,935.41/x
  3. Step 3: Cross multiply
    18,812,025.17x = 28,212,912.49 × 5,161,935.41
  4. Step 4: Simplify right side
    18,812,025.17x = 145,633,232,001,362.28
  5. Step 5: Solve for x
    x = 145,633,232,001,362.28/18,812,025.17
  6. Step 6: Final answer
    x = 7,741,496.77

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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.