Home / 17,620,001.80-26,395,010.70-15,515,816.20

Finding the Fourth Proportional to 17,620,001.80, 26,395,010.70 and 15,515,816.20

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Solution

The fourth proportional to 17,620,001.80, 26,395,010.70 and 15,515,816.20 is: 23,242,911.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,620,001.80 : 26,395,010.70 = 15,515,816.20 : x
  2. Step 2: Convert to fraction form
    17,620,001.80/26,395,010.70 = 15,515,816.20/x
  3. Step 3: Cross multiply
    17,620,001.80x = 26,395,010.70 × 15,515,816.20
  4. Step 4: Simplify right side
    17,620,001.80x = 409,540,134,618,233.31
  5. Step 5: Solve for x
    x = 409,540,134,618,233.31/17,620,001.80
  6. Step 6: Final answer
    x = 23,242,911.05

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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.