Home / 21,395,561.63-32,092,161.14-15,644,189.03

Finding the Fourth Proportional to 21,395,561.63, 32,092,161.14 and 15,644,189.03

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Solution

The fourth proportional to 21,395,561.63, 32,092,161.14 and 15,644,189.03 is: 23,465,419.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,395,561.63 : 32,092,161.14 = 15,644,189.03 : x
  2. Step 2: Convert to fraction form
    21,395,561.63/32,092,161.14 = 15,644,189.03/x
  3. Step 3: Cross multiply
    21,395,561.63x = 32,092,161.14 × 15,644,189.03
  4. Step 4: Simplify right side
    21,395,561.63x = 502,055,835,016,698.56
  5. Step 5: Solve for x
    x = 502,055,835,016,698.56/21,395,561.63
  6. Step 6: Final answer
    x = 23,465,419.78

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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.