Home / 15,272,324.48-21,074,561.14-8,991,860.44

Finding the Fourth Proportional to 15,272,324.48, 21,074,561.14 and 8,991,860.44

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Solution

The fourth proportional to 15,272,324.48, 21,074,561.14 and 8,991,860.44 is: 12,408,033.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,272,324.48 : 21,074,561.14 = 8,991,860.44 : x
  2. Step 2: Convert to fraction form
    15,272,324.48/21,074,561.14 = 8,991,860.44/x
  3. Step 3: Cross multiply
    15,272,324.48x = 21,074,561.14 × 8,991,860.44
  4. Step 4: Simplify right side
    15,272,324.48x = 189,499,512,605,127.28
  5. Step 5: Solve for x
    x = 189,499,512,605,127.28/15,272,324.48
  6. Step 6: Final answer
    x = 12,408,033.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.