Home / 12,239,222.80-18,358,834.20-10,111,709.20

Finding the Fourth Proportional to 12,239,222.80, 18,358,834.20 and 10,111,709.20

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Solution

The fourth proportional to 12,239,222.80, 18,358,834.20 and 10,111,709.20 is: 15,167,563.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,239,222.80 : 18,358,834.20 = 10,111,709.20 : x
  2. Step 2: Convert to fraction form
    12,239,222.80/18,358,834.20 = 10,111,709.20/x
  3. Step 3: Cross multiply
    12,239,222.80x = 18,358,834.20 × 10,111,709.20
  4. Step 4: Simplify right side
    12,239,222.80x = 185,639,192,681,414.62
  5. Step 5: Solve for x
    x = 185,639,192,681,414.62/12,239,222.80
  6. Step 6: Final answer
    x = 15,167,563.80

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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.