Home / 8,245,688.40-12,368,532.60-3,458,782.80

Finding the Fourth Proportional to 8,245,688.40, 12,368,532.60 and 3,458,782.80

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Solution

The fourth proportional to 8,245,688.40, 12,368,532.60 and 3,458,782.80 is: 5,188,174.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245,688.40 : 12,368,532.60 = 3,458,782.80 : x
  2. Step 2: Convert to fraction form
    8,245,688.40/12,368,532.60 = 3,458,782.80/x
  3. Step 3: Cross multiply
    8,245,688.40x = 12,368,532.60 × 3,458,782.80
  4. Step 4: Simplify right side
    8,245,688.40x = 42,780,067,818,119.27
  5. Step 5: Solve for x
    x = 42,780,067,818,119.27/8,245,688.40
  6. Step 6: Final answer
    x = 5,188,174.20

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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.