Home / 15,404,686.30-21,259,131.28-8,529,168.22

Finding the Fourth Proportional to 15,404,686.30, 21,259,131.28 and 8,529,168.22

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Solution

The fourth proportional to 15,404,686.30, 21,259,131.28 and 8,529,168.22 is: 11,770,619.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404,686.30 : 21,259,131.28 = 8,529,168.22 : x
  2. Step 2: Convert to fraction form
    15,404,686.30/21,259,131.28 = 8,529,168.22/x
  3. Step 3: Cross multiply
    15,404,686.30x = 21,259,131.28 × 8,529,168.22
  4. Step 4: Simplify right side
    15,404,686.30x = 181,322,706,898,183.94
  5. Step 5: Solve for x
    x = 181,322,706,898,183.94/15,404,686.30
  6. Step 6: Final answer
    x = 11,770,619.89

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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.