Home / 9,082,219.20-13,642,282.80-7,665,043.20

Finding the Fourth Proportional to 9,082,219.20, 13,642,282.80 and 7,665,043.20

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Solution

The fourth proportional to 9,082,219.20, 13,642,282.80 and 7,665,043.20 is: 11,513,561.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,082,219.20 : 13,642,282.80 = 7,665,043.20 : x
  2. Step 2: Convert to fraction form
    9,082,219.20/13,642,282.80 = 7,665,043.20/x
  3. Step 3: Cross multiply
    9,082,219.20x = 13,642,282.80 × 7,665,043.20
  4. Step 4: Simplify right side
    9,082,219.20x = 104,568,687,008,616.97
  5. Step 5: Solve for x
    x = 104,568,687,008,616.97/9,082,219.20
  6. Step 6: Final answer
    x = 11,513,561.25

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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.