Home / 18,267,744-27,358,225.92-11,858,142.72

Finding the Fourth Proportional to 18,267,744, 27,358,225.92 and 11,858,142.72

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Solution

The fourth proportional to 18,267,744, 27,358,225.92 and 11,858,142.72 is: 17,759,048.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267,744 : 27,358,225.92 = 11,858,142.72 : x
  2. Step 2: Convert to fraction form
    18,267,744/27,358,225.92 = 11,858,142.72/x
  3. Step 3: Cross multiply
    18,267,744x = 27,358,225.92 × 11,858,142.72
  4. Step 4: Simplify right side
    18,267,744x = 324,417,747,525,363.31
  5. Step 5: Solve for x
    x = 324,417,747,525,363.31/18,267,744
  6. Step 6: Final answer
    x = 17,759,048.27

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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.