Home / 9,760,172.83-13,469,039.76-5,409,540.01

Finding the Fourth Proportional to 9,760,172.83, 13,469,039.76 and 5,409,540.01

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Solution

The fourth proportional to 9,760,172.83, 13,469,039.76 and 5,409,540.01 is: 7,465,165.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,760,172.83 : 13,469,039.76 = 5,409,540.01 : x
  2. Step 2: Convert to fraction form
    9,760,172.83/13,469,039.76 = 5,409,540.01/x
  3. Step 3: Cross multiply
    9,760,172.83x = 13,469,039.76 × 5,409,540.01
  4. Step 4: Simplify right side
    9,760,172.83x = 72,861,309,478,000.80
  5. Step 5: Solve for x
    x = 72,861,309,478,000.80/9,760,172.83
  6. Step 6: Final answer
    x = 7,465,165.91

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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.