Home / 36,121,335.75-49,847,443.34-21,634,647.75

Finding the Fourth Proportional to 36,121,335.75, 49,847,443.34 and 21,634,647.75

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Solution

The fourth proportional to 36,121,335.75, 49,847,443.34 and 21,634,647.75 is: 29,855,813.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,121,335.75 : 49,847,443.34 = 21,634,647.75 : x
  2. Step 2: Convert to fraction form
    36,121,335.75/49,847,443.34 = 21,634,647.75/x
  3. Step 3: Cross multiply
    36,121,335.75x = 49,847,443.34 × 21,634,647.75
  4. Step 4: Simplify right side
    36,121,335.75x = 1,078,431,877,790,810.25
  5. Step 5: Solve for x
    x = 1,078,431,877,790,810.25/36,121,335.75
  6. Step 6: Final answer
    x = 29,855,813.90

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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.