Home / 27,643,147.78-38,155,131.72-16,044,447.96

Finding the Fourth Proportional to 27,643,147.78, 38,155,131.72 and 16,044,447.96

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Solution

The fourth proportional to 27,643,147.78, 38,155,131.72 and 16,044,447.96 is: 22,145,742.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,643,147.78 : 38,155,131.72 = 16,044,447.96 : x
  2. Step 2: Convert to fraction form
    27,643,147.78/38,155,131.72 = 16,044,447.96/x
  3. Step 3: Cross multiply
    27,643,147.78x = 38,155,131.72 × 16,044,447.96
  4. Step 4: Simplify right side
    27,643,147.78x = 612,178,025,288,485.25
  5. Step 5: Solve for x
    x = 612,178,025,288,485.25/27,643,147.78
  6. Step 6: Final answer
    x = 22,145,742.23

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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.