Home / 21,395,563.63-32,092,164.13-15,644,191.03

Finding the Fourth Proportional to 21,395,563.63, 32,092,164.13 and 15,644,191.03

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Solution

The fourth proportional to 21,395,563.63, 32,092,164.13 and 15,644,191.03 is: 23,465,422.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,395,563.63 : 32,092,164.13 = 15,644,191.03 : x
  2. Step 2: Convert to fraction form
    21,395,563.63/32,092,164.13 = 15,644,191.03/x
  3. Step 3: Cross multiply
    21,395,563.63x = 32,092,164.13 × 15,644,191.03
  4. Step 4: Simplify right side
    21,395,563.63x = 502,055,946,215,833.69
  5. Step 5: Solve for x
    x = 502,055,946,215,833.69/21,395,563.63
  6. Step 6: Final answer
    x = 23,465,422.78

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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.