Home / 12,421,183.53-18,633,797.69-3,668,347.83

Finding the Fourth Proportional to 12,421,183.53, 18,633,797.69 and 3,668,347.83

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Solution

The fourth proportional to 12,421,183.53, 18,633,797.69 and 3,668,347.83 is: 5,503,119.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,421,183.53 : 18,633,797.69 = 3,668,347.83 : x
  2. Step 2: Convert to fraction form
    12,421,183.53/18,633,797.69 = 3,668,347.83/x
  3. Step 3: Cross multiply
    12,421,183.53x = 18,633,797.69 × 3,668,347.83
  4. Step 4: Simplify right side
    12,421,183.53x = 68,355,251,302,428.77
  5. Step 5: Solve for x
    x = 68,355,251,302,428.77/12,421,183.53
  6. Step 6: Final answer
    x = 5,503,119.02

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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.