Home / 12,236,481.18-18,338,187.60-4,659,313.50

Finding the Fourth Proportional to 12,236,481.18, 18,338,187.60 and 4,659,313.50

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Solution

The fourth proportional to 12,236,481.18, 18,338,187.60 and 4,659,313.50 is: 6,982,674.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236,481.18 : 18,338,187.60 = 4,659,313.50 : x
  2. Step 2: Convert to fraction form
    12,236,481.18/18,338,187.60 = 4,659,313.50/x
  3. Step 3: Cross multiply
    12,236,481.18x = 18,338,187.60 × 4,659,313.50
  4. Step 4: Simplify right side
    12,236,481.18x = 85,443,365,050,212.61
  5. Step 5: Solve for x
    x = 85,443,365,050,212.61/12,236,481.18
  6. Step 6: Final answer
    x = 6,982,674.50

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1.5x scale

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.