Home / 12,457,310.40-18,685,965.60-5,738,846.40

Finding the Fourth Proportional to 12,457,310.40, 18,685,965.60 and 5,738,846.40

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Solution

The fourth proportional to 12,457,310.40, 18,685,965.60 and 5,738,846.40 is: 8,608,269.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457,310.40 : 18,685,965.60 = 5,738,846.40 : x
  2. Step 2: Convert to fraction form
    12,457,310.40/18,685,965.60 = 5,738,846.40/x
  3. Step 3: Cross multiply
    12,457,310.40x = 18,685,965.60 × 5,738,846.40
  4. Step 4: Simplify right side
    12,457,310.40x = 107,235,886,414,083.86
  5. Step 5: Solve for x
    x = 107,235,886,414,083.86/12,457,310.40
  6. Step 6: Final answer
    x = 8,608,269.60

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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.