Home / 21,675,556.68-32,541,080.46-18,621,089.16

Finding the Fourth Proportional to 21,675,556.68, 32,541,080.46 and 18,621,089.16

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Solution

The fourth proportional to 21,675,556.68, 32,541,080.46 and 18,621,089.16 is: 27,955,469.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,675,556.68 : 32,541,080.46 = 18,621,089.16 : x
  2. Step 2: Convert to fraction form
    21,675,556.68/32,541,080.46 = 18,621,089.16/x
  3. Step 3: Cross multiply
    21,675,556.68x = 32,541,080.46 × 18,621,089.16
  4. Step 4: Simplify right side
    21,675,556.68x = 605,950,360,608,393.88
  5. Step 5: Solve for x
    x = 605,950,360,608,393.88/21,675,556.68
  6. Step 6: Final answer
    x = 27,955,469.36

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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.