Home / 18,411,667.38-27,586,247.43-11,109,783.51

Finding the Fourth Proportional to 18,411,667.38, 27,586,247.43 and 11,109,783.51

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Solution

The fourth proportional to 18,411,667.38, 27,586,247.43 and 11,109,783.51 is: 16,645,816.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,411,667.38 : 27,586,247.43 = 11,109,783.51 : x
  2. Step 2: Convert to fraction form
    18,411,667.38/27,586,247.43 = 11,109,783.51/x
  3. Step 3: Cross multiply
    18,411,667.38x = 27,586,247.43 × 11,109,783.51
  4. Step 4: Simplify right side
    18,411,667.38x = 306,477,236,800,593.88
  5. Step 5: Solve for x
    x = 306,477,236,800,593.88/18,411,667.38
  6. Step 6: Final answer
    x = 16,645,816.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.