Home / 47,726,523.21-65,860,747.99-29,172,728.72

Finding the Fourth Proportional to 47,726,523.21, 65,860,747.99 and 29,172,728.72

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Solution

The fourth proportional to 47,726,523.21, 65,860,747.99 and 29,172,728.72 is: 40,257,232.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,726,523.21 : 65,860,747.99 = 29,172,728.72 : x
  2. Step 2: Convert to fraction form
    47,726,523.21/65,860,747.99 = 29,172,728.72/x
  3. Step 3: Cross multiply
    47,726,523.21x = 65,860,747.99 × 29,172,728.72
  4. Step 4: Simplify right side
    47,726,523.21x = 1,921,337,734,408,555.25
  5. Step 5: Solve for x
    x = 1,921,337,734,408,555.25/47,726,523.21
  6. Step 6: Final answer
    x = 40,257,232.36

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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.