Home / 20,280,840.11-30,400,002.52-7,493,188.67

Finding the Fourth Proportional to 20,280,840.11, 30,400,002.52 and 7,493,188.67

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Solution

The fourth proportional to 20,280,840.11, 30,400,002.52 and 7,493,188.67 is: 11,231,928.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,280,840.11 : 30,400,002.52 = 7,493,188.67 : x
  2. Step 2: Convert to fraction form
    20,280,840.11/30,400,002.52 = 7,493,188.67/x
  3. Step 3: Cross multiply
    20,280,840.11x = 30,400,002.52 × 7,493,188.67
  4. Step 4: Simplify right side
    20,280,840.11x = 227,792,954,436,251.66
  5. Step 5: Solve for x
    x = 227,792,954,436,251.66/20,280,840.11
  6. Step 6: Final answer
    x = 11,231,928.91

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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.