Home / 20,734,113.21-31,101,058.89-5,381,391.69

Finding the Fourth Proportional to 20,734,113.21, 31,101,058.89 and 5,381,391.69

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Solution

The fourth proportional to 20,734,113.21, 31,101,058.89 and 5,381,391.69 is: 8,072,058.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734,113.21 : 31,101,058.89 = 5,381,391.69 : x
  2. Step 2: Convert to fraction form
    20,734,113.21/31,101,058.89 = 5,381,391.69/x
  3. Step 3: Cross multiply
    20,734,113.21x = 31,101,058.89 × 5,381,391.69
  4. Step 4: Simplify right side
    20,734,113.21x = 167,366,979,860,846.62
  5. Step 5: Solve for x
    x = 167,366,979,860,846.62/20,734,113.21
  6. Step 6: Final answer
    x = 8,072,058.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.