Home / 21,990,282.40-32,997,233.40-9,212,078.80

Finding the Fourth Proportional to 21,990,282.40, 32,997,233.40 and 9,212,078.80

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Solution

The fourth proportional to 21,990,282.40, 32,997,233.40 and 9,212,078.80 is: 13,823,065.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,990,282.40 : 32,997,233.40 = 9,212,078.80 : x
  2. Step 2: Convert to fraction form
    21,990,282.40/32,997,233.40 = 9,212,078.80/x
  3. Step 3: Cross multiply
    21,990,282.40x = 32,997,233.40 × 9,212,078.80
  4. Step 4: Simplify right side
    21,990,282.40x = 303,973,114,262,791.94
  5. Step 5: Solve for x
    x = 303,973,114,262,791.94/21,990,282.40
  6. Step 6: Final answer
    x = 13,823,065.51

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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.