Home / 40,311,715.20-60,467,572.80-13,385,371.20

Finding the Fourth Proportional to 40,311,715.20, 60,467,572.80 and 13,385,371.20

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Solution

The fourth proportional to 40,311,715.20, 60,467,572.80 and 13,385,371.20 is: 20,078,056.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,311,715.20 : 60,467,572.80 = 13,385,371.20 : x
  2. Step 2: Convert to fraction form
    40,311,715.20/60,467,572.80 = 13,385,371.20/x
  3. Step 3: Cross multiply
    40,311,715.20x = 60,467,572.80 × 13,385,371.20
  4. Step 4: Simplify right side
    40,311,715.20x = 809,380,907,491,023.25
  5. Step 5: Solve for x
    x = 809,380,907,491,023.25/40,311,715.20
  6. Step 6: Final answer
    x = 20,078,056.80

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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.