Home / 21,760,581.51-30,008,991.24-13,922,573.85

Finding the Fourth Proportional to 21,760,581.51, 30,008,991.24 and 13,922,573.85

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Solution

The fourth proportional to 21,760,581.51, 30,008,991.24 and 13,922,573.85 is: 19,199,964.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,760,581.51 : 30,008,991.24 = 13,922,573.85 : x
  2. Step 2: Convert to fraction form
    21,760,581.51/30,008,991.24 = 13,922,573.85/x
  3. Step 3: Cross multiply
    21,760,581.51x = 30,008,991.24 × 13,922,573.85
  4. Step 4: Simplify right side
    21,760,581.51x = 417,802,396,702,903.06
  5. Step 5: Solve for x
    x = 417,802,396,702,903.06/21,760,581.51
  6. Step 6: Final answer
    x = 19,199,964.69

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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.