Home / 12,216,255.74-18,321,355.53-4,129,051.58

Finding the Fourth Proportional to 12,216,255.74, 18,321,355.53 and 4,129,051.58

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Solution

The fourth proportional to 12,216,255.74, 18,321,355.53 and 4,129,051.58 is: 6,192,553.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,216,255.74 : 18,321,355.53 = 4,129,051.58 : x
  2. Step 2: Convert to fraction form
    12,216,255.74/18,321,355.53 = 4,129,051.58/x
  3. Step 3: Cross multiply
    12,216,255.74x = 18,321,355.53 × 4,129,051.58
  4. Step 4: Simplify right side
    12,216,255.74x = 75,649,821,998,888.25
  5. Step 5: Solve for x
    x = 75,649,821,998,888.25/12,216,255.74
  6. Step 6: Final answer
    x = 6,192,553.89

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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.