Home / 8,478,015.60-12,713,086.80-3,683,236.80

Finding the Fourth Proportional to 8,478,015.60, 12,713,086.80 and 3,683,236.80

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Solution

The fourth proportional to 8,478,015.60, 12,713,086.80 and 3,683,236.80 is: 5,523,144.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,478,015.60 : 12,713,086.80 = 3,683,236.80 : x
  2. Step 2: Convert to fraction form
    8,478,015.60/12,713,086.80 = 3,683,236.80/x
  3. Step 3: Cross multiply
    8,478,015.60x = 12,713,086.80 × 3,683,236.80
  4. Step 4: Simplify right side
    8,478,015.60x = 46,825,309,143,354.24
  5. Step 5: Solve for x
    x = 46,825,309,143,354.24/8,478,015.60
  6. Step 6: Final answer
    x = 5,523,144.96

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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.