Home / 7,640,234.46-10,543,611.78-4,202,500.50

Finding the Fourth Proportional to 7,640,234.46, 10,543,611.78 and 4,202,500.50

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Solution

The fourth proportional to 7,640,234.46, 10,543,611.78 and 4,202,500.50 is: 5,799,499.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,640,234.46 : 10,543,611.78 = 4,202,500.50 : x
  2. Step 2: Convert to fraction form
    7,640,234.46/10,543,611.78 = 4,202,500.50/x
  3. Step 3: Cross multiply
    7,640,234.46x = 10,543,611.78 × 4,202,500.50
  4. Step 4: Simplify right side
    7,640,234.46x = 44,309,533,777,255.89
  5. Step 5: Solve for x
    x = 44,309,533,777,255.89/7,640,234.46
  6. Step 6: Final answer
    x = 5,799,499.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.