Home / 7,381,342.80-11,072,014.20-5,113,861.20

Finding the Fourth Proportional to 7,381,342.80, 11,072,014.20 and 5,113,861.20

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Solution

The fourth proportional to 7,381,342.80, 11,072,014.20 and 5,113,861.20 is: 7,670,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,342.80 : 11,072,014.20 = 5,113,861.20 : x
  2. Step 2: Convert to fraction form
    7,381,342.80/11,072,014.20 = 5,113,861.20/x
  3. Step 3: Cross multiply
    7,381,342.80x = 11,072,014.20 × 5,113,861.20
  4. Step 4: Simplify right side
    7,381,342.80x = 56,620,743,823,229.04
  5. Step 5: Solve for x
    x = 56,620,743,823,229.04/7,381,342.80
  6. Step 6: Final answer
    x = 7,670,791.80

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Similar ratio
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1.5x scale

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.