Home / 8,145,260.16-11,231,247.72-5,201,206.20

Finding the Fourth Proportional to 8,145,260.16, 11,231,247.72 and 5,201,206.20

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Solution

The fourth proportional to 8,145,260.16, 11,231,247.72 and 5,201,206.20 is: 7,171,782.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145,260.16 : 11,231,247.72 = 5,201,206.20 : x
  2. Step 2: Convert to fraction form
    8,145,260.16/11,231,247.72 = 5,201,206.20/x
  3. Step 3: Cross multiply
    8,145,260.16x = 11,231,247.72 × 5,201,206.20
  4. Step 4: Simplify right side
    8,145,260.16x = 58,416,035,274,999.87
  5. Step 5: Solve for x
    x = 58,416,035,274,999.87/8,145,260.16
  6. Step 6: Final answer
    x = 7,171,782.62

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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.