Home / 13,988,166.12-20,969,801.34-5,466,564.84

Finding the Fourth Proportional to 13,988,166.12, 20,969,801.34 and 5,466,564.84

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Solution

The fourth proportional to 13,988,166.12, 20,969,801.34 and 5,466,564.84 is: 8,194,982.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,988,166.12 : 20,969,801.34 = 5,466,564.84 : x
  2. Step 2: Convert to fraction form
    13,988,166.12/20,969,801.34 = 5,466,564.84/x
  3. Step 3: Cross multiply
    13,988,166.12x = 20,969,801.34 × 5,466,564.84
  4. Step 4: Simplify right side
    13,988,166.12x = 114,632,778,707,028.88
  5. Step 5: Solve for x
    x = 114,632,778,707,028.88/13,988,166.12
  6. Step 6: Final answer
    x = 8,194,982.65

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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.