Home / 21,395,560.12-32,092,158.89-15,644,187.52

Finding the Fourth Proportional to 21,395,560.12, 32,092,158.89 and 15,644,187.52

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Solution

The fourth proportional to 21,395,560.12, 32,092,158.89 and 15,644,187.52 is: 23,465,417.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,395,560.12 : 32,092,158.89 = 15,644,187.52 : x
  2. Step 2: Convert to fraction form
    21,395,560.12/32,092,158.89 = 15,644,187.52/x
  3. Step 3: Cross multiply
    21,395,560.12x = 32,092,158.89 × 15,644,187.52
  4. Step 4: Simplify right side
    21,395,560.12x = 502,055,751,555,675.12
  5. Step 5: Solve for x
    x = 502,055,751,555,675.12/21,395,560.12
  6. Step 6: Final answer
    x = 23,465,417.54

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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.