Home / 18,064,116.38-27,057,792-12,231,846.66

Finding the Fourth Proportional to 18,064,116.38, 27,057,792 and 12,231,846.66

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Solution

The fourth proportional to 18,064,116.38, 27,057,792 and 12,231,846.66 is: 18,321,779.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,064,116.38 : 27,057,792 = 12,231,846.66 : x
  2. Step 2: Convert to fraction form
    18,064,116.38/27,057,792 = 12,231,846.66/x
  3. Step 3: Cross multiply
    18,064,116.38x = 27,057,792 × 12,231,846.66
  4. Step 4: Simplify right side
    18,064,116.38x = 330,966,762,702,174.75
  5. Step 5: Solve for x
    x = 330,966,762,702,174.75/18,064,116.38
  6. Step 6: Final answer
    x = 18,321,779.81

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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.