Home / 19,855,521.72-27,403,377.84-11,154,356.28

Finding the Fourth Proportional to 19,855,521.72, 27,403,377.84 and 11,154,356.28

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Solution

The fourth proportional to 19,855,521.72, 27,403,377.84 and 11,154,356.28 is: 15,394,560.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,855,521.72 : 27,403,377.84 = 11,154,356.28 : x
  2. Step 2: Convert to fraction form
    19,855,521.72/27,403,377.84 = 11,154,356.28/x
  3. Step 3: Cross multiply
    19,855,521.72x = 27,403,377.84 × 11,154,356.28
  4. Step 4: Simplify right side
    19,855,521.72x = 305,667,039,702,816.81
  5. Step 5: Solve for x
    x = 305,667,039,702,816.81/19,855,521.72
  6. Step 6: Final answer
    x = 15,394,560.97

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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.