Home / 13,532,821.30-20,299,231.95-3,949,168.60

Finding the Fourth Proportional to 13,532,821.30, 20,299,231.95 and 3,949,168.60

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Solution

The fourth proportional to 13,532,821.30, 20,299,231.95 and 3,949,168.60 is: 5,923,752.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532,821.30 : 20,299,231.95 = 3,949,168.60 : x
  2. Step 2: Convert to fraction form
    13,532,821.30/20,299,231.95 = 3,949,168.60/x
  3. Step 3: Cross multiply
    13,532,821.30x = 20,299,231.95 × 3,949,168.60
  4. Step 4: Simplify right side
    13,532,821.30x = 80,165,089,421,056.77
  5. Step 5: Solve for x
    x = 80,165,089,421,056.77/13,532,821.30
  6. Step 6: Final answer
    x = 5,923,752.90

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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.