Home / 13,749,313.80-20,639,717.10-8,072,736.60

Finding the Fourth Proportional to 13,749,313.80, 20,639,717.10 and 8,072,736.60

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Solution

The fourth proportional to 13,749,313.80, 20,639,717.10 and 8,072,736.60 is: 12,118,350.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,749,313.80 : 20,639,717.10 = 8,072,736.60 : x
  2. Step 2: Convert to fraction form
    13,749,313.80/20,639,717.10 = 8,072,736.60/x
  3. Step 3: Cross multiply
    13,749,313.80x = 20,639,717.10 × 8,072,736.60
  4. Step 4: Simplify right side
    13,749,313.80x = 166,618,999,646,815.88
  5. Step 5: Solve for x
    x = 166,618,999,646,815.88/13,749,313.80
  6. Step 6: Final answer
    x = 12,118,350.20

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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.