Home / 19,986,838.43-27,582,027.05-11,727,041.22

Finding the Fourth Proportional to 19,986,838.43, 27,582,027.05 and 11,727,041.22

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Solution

The fourth proportional to 19,986,838.43, 27,582,027.05 and 11,727,041.22 is: 16,183,428.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,986,838.43 : 27,582,027.05 = 11,727,041.22 : x
  2. Step 2: Convert to fraction form
    19,986,838.43/27,582,027.05 = 11,727,041.22/x
  3. Step 3: Cross multiply
    19,986,838.43x = 27,582,027.05 × 11,727,041.22
  4. Step 4: Simplify right side
    19,986,838.43x = 323,455,568,175,822.62
  5. Step 5: Solve for x
    x = 323,455,568,175,822.62/19,986,838.43
  6. Step 6: Final answer
    x = 16,183,428.38

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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.