Home / 27,188,859.60-40,783,289.40-16,439,317.20

Finding the Fourth Proportional to 27,188,859.60, 40,783,289.40 and 16,439,317.20

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Solution

The fourth proportional to 27,188,859.60, 40,783,289.40 and 16,439,317.20 is: 24,658,975.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,188,859.60 : 40,783,289.40 = 16,439,317.20 : x
  2. Step 2: Convert to fraction form
    27,188,859.60/40,783,289.40 = 16,439,317.20/x
  3. Step 3: Cross multiply
    27,188,859.60x = 40,783,289.40 × 16,439,317.20
  4. Step 4: Simplify right side
    27,188,859.60x = 670,449,430,905,997.62
  5. Step 5: Solve for x
    x = 670,449,430,905,997.62/27,188,859.60
  6. Step 6: Final answer
    x = 24,658,975.80

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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.