Home / 13,082,939.02-18,054,627.74-7,203,257.56

Finding the Fourth Proportional to 13,082,939.02, 18,054,627.74 and 7,203,257.56

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Solution

The fourth proportional to 13,082,939.02, 18,054,627.74 and 7,203,257.56 is: 9,940,590.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082,939.02 : 18,054,627.74 = 7,203,257.56 : x
  2. Step 2: Convert to fraction form
    13,082,939.02/18,054,627.74 = 7,203,257.56/x
  3. Step 3: Cross multiply
    13,082,939.02x = 18,054,627.74 × 7,203,257.56
  4. Step 4: Simplify right side
    13,082,939.02x = 130,052,133,761,140.69
  5. Step 5: Solve for x
    x = 130,052,133,761,140.69/13,082,939.02
  6. Step 6: Final answer
    x = 9,940,590.07

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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.