Home / 13,082,940.02-18,054,629.12-7,203,258.56

Finding the Fourth Proportional to 13,082,940.02, 18,054,629.12 and 7,203,258.56

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Solution

The fourth proportional to 13,082,940.02, 18,054,629.12 and 7,203,258.56 is: 9,940,591.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082,940.02 : 18,054,629.12 = 7,203,258.56 : x
  2. Step 2: Convert to fraction form
    13,082,940.02/18,054,629.12 = 7,203,258.56/x
  3. Step 3: Cross multiply
    13,082,940.02x = 18,054,629.12 × 7,203,258.56
  4. Step 4: Simplify right side
    13,082,940.02x = 130,052,161,756,265.27
  5. Step 5: Solve for x
    x = 130,052,161,756,265.27/13,082,940.02
  6. Step 6: Final answer
    x = 9,940,591.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.