Home / 13,085,840.70-19,631,871.45-5,508,906.30

Finding the Fourth Proportional to 13,085,840.70, 19,631,871.45 and 5,508,906.30

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Solution

The fourth proportional to 13,085,840.70, 19,631,871.45 and 5,508,906.30 is: 8,264,668.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,085,840.70 : 19,631,871.45 = 5,508,906.30 : x
  2. Step 2: Convert to fraction form
    13,085,840.70/19,631,871.45 = 5,508,906.30/x
  3. Step 3: Cross multiply
    13,085,840.70x = 19,631,871.45 × 5,508,906.30
  4. Step 4: Simplify right side
    13,085,840.70x = 108,150,140,311,695.12
  5. Step 5: Solve for x
    x = 108,150,140,311,695.12/13,085,840.70
  6. Step 6: Final answer
    x = 8,264,668.87

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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.