Home / 8,210,662.40-12,297,331.20-4,216,908.80

Finding the Fourth Proportional to 8,210,662.40, 12,297,331.20 and 4,216,908.80

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Solution

The fourth proportional to 8,210,662.40, 12,297,331.20 and 4,216,908.80 is: 6,315,778.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210,662.40 : 12,297,331.20 = 4,216,908.80 : x
  2. Step 2: Convert to fraction form
    8,210,662.40/12,297,331.20 = 4,216,908.80/x
  3. Step 3: Cross multiply
    8,210,662.40x = 12,297,331.20 × 4,216,908.80
  4. Step 4: Simplify right side
    8,210,662.40x = 51,856,724,153,794.55
  5. Step 5: Solve for x
    x = 51,856,724,153,794.55/8,210,662.40
  6. Step 6: Final answer
    x = 6,315,778.39

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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.