Home / 12,038,153.37-18,053,436.75-3,949,244.07

Finding the Fourth Proportional to 12,038,153.37, 18,053,436.75 and 3,949,244.07

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Solution

The fourth proportional to 12,038,153.37, 18,053,436.75 and 3,949,244.07 is: 5,922,621.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038,153.37 : 18,053,436.75 = 3,949,244.07 : x
  2. Step 2: Convert to fraction form
    12,038,153.37/18,053,436.75 = 3,949,244.07/x
  3. Step 3: Cross multiply
    12,038,153.37x = 18,053,436.75 × 3,949,244.07
  4. Step 4: Simplify right side
    12,038,153.37x = 71,297,428,028,057.56
  5. Step 5: Solve for x
    x = 71,297,428,028,057.56/12,038,153.37
  6. Step 6: Final answer
    x = 5,922,621.67

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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.