Home / 13,451,466.57-20,180,401.25-4,353,564.12

Finding the Fourth Proportional to 13,451,466.57, 20,180,401.25 and 4,353,564.12

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Solution

The fourth proportional to 13,451,466.57, 20,180,401.25 and 4,353,564.12 is: 6,531,382.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,451,466.57 : 20,180,401.25 = 4,353,564.12 : x
  2. Step 2: Convert to fraction form
    13,451,466.57/20,180,401.25 = 4,353,564.12/x
  3. Step 3: Cross multiply
    13,451,466.57x = 20,180,401.25 × 4,353,564.12
  4. Step 4: Simplify right side
    13,451,466.57x = 87,856,670,787,435.34
  5. Step 5: Solve for x
    x = 87,856,670,787,435.34/13,451,466.57
  6. Step 6: Final answer
    x = 6,531,382.31

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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.