Home / 13,082,560.70-18,054,288.06-7,281,980.60

Finding the Fourth Proportional to 13,082,560.70, 18,054,288.06 and 7,281,980.60

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Solution

The fourth proportional to 13,082,560.70, 18,054,288.06 and 7,281,980.60 is: 10,049,330.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082,560.70 : 18,054,288.06 = 7,281,980.60 : x
  2. Step 2: Convert to fraction form
    13,082,560.70/18,054,288.06 = 7,281,980.60/x
  3. Step 3: Cross multiply
    13,082,560.70x = 18,054,288.06 × 7,281,980.60
  4. Step 4: Simplify right side
    13,082,560.70x = 131,470,975,399,731.62
  5. Step 5: Solve for x
    x = 131,470,975,399,731.62/13,082,560.70
  6. Step 6: Final answer
    x = 10,049,330.43

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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.