Home / 19,995,997.82-27,579,168.13-13,811,394.80

Finding the Fourth Proportional to 19,995,997.82, 27,579,168.13 and 13,811,394.80

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Solution

The fourth proportional to 19,995,997.82, 27,579,168.13 and 13,811,394.80 is: 19,049,150.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,995,997.82 : 27,579,168.13 = 13,811,394.80 : x
  2. Step 2: Convert to fraction form
    19,995,997.82/27,579,168.13 = 13,811,394.80/x
  3. Step 3: Cross multiply
    19,995,997.82x = 27,579,168.13 × 13,811,394.80
  4. Step 4: Simplify right side
    19,995,997.82x = 380,906,779,243,042.12
  5. Step 5: Solve for x
    x = 380,906,779,243,042.12/19,995,997.82
  6. Step 6: Final answer
    x = 19,049,150.87

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1.5x scale

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.