Home / 13,624,864.88-20,414,162.01-8,222,162.72

Finding the Fourth Proportional to 13,624,864.88, 20,414,162.01 and 8,222,162.72

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Solution

The fourth proportional to 13,624,864.88, 20,414,162.01 and 8,222,162.72 is: 12,319,282.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,624,864.88 : 20,414,162.01 = 8,222,162.72 : x
  2. Step 2: Convert to fraction form
    13,624,864.88/20,414,162.01 = 8,222,162.72/x
  3. Step 3: Cross multiply
    13,624,864.88x = 20,414,162.01 × 8,222,162.72
  4. Step 4: Simplify right side
    13,624,864.88x = 167,848,561,838,662.28
  5. Step 5: Solve for x
    x = 167,848,561,838,662.28/13,624,864.88
  6. Step 6: Final answer
    x = 12,319,282.67

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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.