Home / 9,783,608.55-13,479,163.20-7,570,861.89

Finding the Fourth Proportional to 9,783,608.55, 13,479,163.20 and 7,570,861.89

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Solution

The fourth proportional to 9,783,608.55, 13,479,163.20 and 7,570,861.89 is: 10,430,597.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,783,608.55 : 13,479,163.20 = 7,570,861.89 : x
  2. Step 2: Convert to fraction form
    9,783,608.55/13,479,163.20 = 7,570,861.89/x
  3. Step 3: Cross multiply
    9,783,608.55x = 13,479,163.20 × 7,570,861.89
  4. Step 4: Simplify right side
    9,783,608.55x = 102,048,882,979,970.44
  5. Step 5: Solve for x
    x = 102,048,882,979,970.44/9,783,608.55
  6. Step 6: Final answer
    x = 10,430,597.51

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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.