Home / 40,520,745.11-55,918,568.30-21,935,794.07

Finding the Fourth Proportional to 40,520,745.11, 55,918,568.30 and 21,935,794.07

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Solution

The fourth proportional to 40,520,745.11, 55,918,568.30 and 21,935,794.07 is: 30,271,363.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,520,745.11 : 55,918,568.30 = 21,935,794.07 : x
  2. Step 2: Convert to fraction form
    40,520,745.11/55,918,568.30 = 21,935,794.07/x
  3. Step 3: Cross multiply
    40,520,745.11x = 55,918,568.30 × 21,935,794.07
  4. Step 4: Simplify right side
    40,520,745.11x = 1,226,618,198,948,147.50
  5. Step 5: Solve for x
    x = 1,226,618,198,948,147.50/40,520,745.11
  6. Step 6: Final answer
    x = 30,271,363.36

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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.