Home / 19,666,561.66-27,141,839.24-11,409,149.50

Finding the Fourth Proportional to 19,666,561.66, 27,141,839.24 and 11,409,149.50

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Solution

The fourth proportional to 19,666,561.66, 27,141,839.24 and 11,409,149.50 is: 15,745,777.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,666,561.66 : 27,141,839.24 = 11,409,149.50 : x
  2. Step 2: Convert to fraction form
    19,666,561.66/27,141,839.24 = 11,409,149.50/x
  3. Step 3: Cross multiply
    19,666,561.66x = 27,141,839.24 × 11,409,149.50
  4. Step 4: Simplify right side
    19,666,561.66x = 309,665,301,469,226.06
  5. Step 5: Solve for x
    x = 309,665,301,469,226.06/19,666,561.66
  6. Step 6: Final answer
    x = 15,745,777.37

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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.