Home / 13,855,239.09-20,786,247.81-9,764,541.72

Finding the Fourth Proportional to 13,855,239.09, 20,786,247.81 and 9,764,541.72

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Solution

The fourth proportional to 13,855,239.09, 20,786,247.81 and 9,764,541.72 is: 14,649,201.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,855,239.09 : 20,786,247.81 = 9,764,541.72 : x
  2. Step 2: Convert to fraction form
    13,855,239.09/20,786,247.81 = 9,764,541.72/x
  3. Step 3: Cross multiply
    13,855,239.09x = 20,786,247.81 × 9,764,541.72
  4. Step 4: Simplify right side
    13,855,239.09x = 202,968,183,943,003.62
  5. Step 5: Solve for x
    x = 202,968,183,943,003.62/13,855,239.09
  6. Step 6: Final answer
    x = 14,649,201.12

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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.