Home / 8,145,263.17-11,231,251.89-5,201,209.20

Finding the Fourth Proportional to 8,145,263.17, 11,231,251.89 and 5,201,209.20

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Solution

The fourth proportional to 8,145,263.17, 11,231,251.89 and 5,201,209.20 is: 7,171,786.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145,263.17 : 11,231,251.89 = 5,201,209.20 : x
  2. Step 2: Convert to fraction form
    8,145,263.17/11,231,251.89 = 5,201,209.20/x
  3. Step 3: Cross multiply
    8,145,263.17x = 11,231,251.89 × 5,201,209.20
  4. Step 4: Simplify right side
    8,145,263.17x = 58,416,090,575,623.09
  5. Step 5: Solve for x
    x = 58,416,090,575,623.09/8,145,263.17
  6. Step 6: Final answer
    x = 7,171,786.77

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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.