Home / 15,404,126.80-21,259,121.46-8,528,608.96

Finding the Fourth Proportional to 15,404,126.80, 21,259,121.46 and 8,528,608.96

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Solution

The fourth proportional to 15,404,126.80, 21,259,121.46 and 8,528,608.96 is: 11,770,270.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404,126.80 : 21,259,121.46 = 8,528,608.96 : x
  2. Step 2: Convert to fraction form
    15,404,126.80/21,259,121.46 = 8,528,608.96/x
  3. Step 3: Cross multiply
    15,404,126.80x = 21,259,121.46 × 8,528,608.96
  4. Step 4: Simplify right side
    15,404,126.80x = 181,310,733,765,484.31
  5. Step 5: Solve for x
    x = 181,310,733,765,484.31/15,404,126.80
  6. Step 6: Final answer
    x = 11,770,270.14

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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.