Home / 13,163,755.20-18,166,910.85-7,363,076.67

Finding the Fourth Proportional to 13,163,755.20, 18,166,910.85 and 7,363,076.67

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Solution

The fourth proportional to 13,163,755.20, 18,166,910.85 and 7,363,076.67 is: 10,161,565.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,163,755.20 : 18,166,910.85 = 7,363,076.67 : x
  2. Step 2: Convert to fraction form
    13,163,755.20/18,166,910.85 = 7,363,076.67/x
  3. Step 3: Cross multiply
    13,163,755.20x = 18,166,910.85 × 7,363,076.67
  4. Step 4: Simplify right side
    13,163,755.20x = 133,764,357,445,604.88
  5. Step 5: Solve for x
    x = 133,764,357,445,604.88/13,163,755.20
  6. Step 6: Final answer
    x = 10,161,565.25

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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.