Home / 13,493,709.15-20,234,478.39-6,667,621.07

Finding the Fourth Proportional to 13,493,709.15, 20,234,478.39 and 6,667,621.07

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Solution

The fourth proportional to 13,493,709.15, 20,234,478.39 and 6,667,621.07 is: 9,998,424.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493,709.15 : 20,234,478.39 = 6,667,621.07 : x
  2. Step 2: Convert to fraction form
    13,493,709.15/20,234,478.39 = 6,667,621.07/x
  3. Step 3: Cross multiply
    13,493,709.15x = 20,234,478.39 × 6,667,621.07
  4. Step 4: Simplify right side
    13,493,709.15x = 134,915,834,453,623.69
  5. Step 5: Solve for x
    x = 134,915,834,453,623.69/13,493,709.15
  6. Step 6: Final answer
    x = 9,998,424.67

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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.