Home / 36,171,814.40-54,256,846.80-21,783,978.80

Finding the Fourth Proportional to 36,171,814.40, 54,256,846.80 and 21,783,978.80

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Solution

The fourth proportional to 36,171,814.40, 54,256,846.80 and 21,783,978.80 is: 32,675,441.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,171,814.40 : 54,256,846.80 = 21,783,978.80 : x
  2. Step 2: Convert to fraction form
    36,171,814.40/54,256,846.80 = 21,783,978.80/x
  3. Step 3: Cross multiply
    36,171,814.40x = 54,256,846.80 × 21,783,978.80
  4. Step 4: Simplify right side
    36,171,814.40x = 1,181,930,000,446,047.75
  5. Step 5: Solve for x
    x = 1,181,930,000,446,047.75/36,171,814.40
  6. Step 6: Final answer
    x = 32,675,441.36

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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.