Home / 18,971,889.86-26,181,388.33-11,131,535.35

Finding the Fourth Proportional to 18,971,889.86, 26,181,388.33 and 11,131,535.35

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Solution

The fourth proportional to 18,971,889.86, 26,181,388.33 and 11,131,535.35 is: 15,361,624.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,971,889.86 : 26,181,388.33 = 11,131,535.35 : x
  2. Step 2: Convert to fraction form
    18,971,889.86/26,181,388.33 = 11,131,535.35/x
  3. Step 3: Cross multiply
    18,971,889.86x = 26,181,388.33 × 11,131,535.35
  4. Step 4: Simplify right side
    18,971,889.86x = 291,439,049,738,805.75
  5. Step 5: Solve for x
    x = 291,439,049,738,805.75/18,971,889.86
  6. Step 6: Final answer
    x = 15,361,624.59

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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.