Home / 36,121,337.75-49,847,446.10-21,634,649.75

Finding the Fourth Proportional to 36,121,337.75, 49,847,446.10 and 21,634,649.75

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Solution

The fourth proportional to 36,121,337.75, 49,847,446.10 and 21,634,649.75 is: 29,855,816.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,121,337.75 : 49,847,446.10 = 21,634,649.75 : x
  2. Step 2: Convert to fraction form
    36,121,337.75/49,847,446.10 = 21,634,649.75/x
  3. Step 3: Cross multiply
    36,121,337.75x = 49,847,446.10 × 21,634,649.75
  4. Step 4: Simplify right side
    36,121,337.75x = 1,078,432,037,305,503.50
  5. Step 5: Solve for x
    x = 1,078,432,037,305,503.50/36,121,337.75
  6. Step 6: Final answer
    x = 29,855,816.66

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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.