Home / 36,107,716.11-49,828,648.23-20,638,132.90

Finding the Fourth Proportional to 36,107,716.11, 49,828,648.23 and 20,638,132.90

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Solution

The fourth proportional to 36,107,716.11, 49,828,648.23 and 20,638,132.90 is: 28,480,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,107,716.11 : 49,828,648.23 = 20,638,132.90 : x
  2. Step 2: Convert to fraction form
    36,107,716.11/49,828,648.23 = 20,638,132.90/x
  3. Step 3: Cross multiply
    36,107,716.11x = 49,828,648.23 × 20,638,132.90
  4. Step 4: Simplify right side
    36,107,716.11x = 1,028,370,264,398,089.62
  5. Step 5: Solve for x
    x = 1,028,370,264,398,089.62/36,107,716.11
  6. Step 6: Final answer
    x = 28,480,623.40

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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.