Home / 15,079,930.32-20,810,394-8,204,461.32

Finding the Fourth Proportional to 15,079,930.32, 20,810,394 and 8,204,461.32

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Solution

The fourth proportional to 15,079,930.32, 20,810,394 and 8,204,461.32 is: 11,322,205.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,079,930.32 : 20,810,394 = 8,204,461.32 : x
  2. Step 2: Convert to fraction form
    15,079,930.32/20,810,394 = 8,204,461.32/x
  3. Step 3: Cross multiply
    15,079,930.32x = 20,810,394 × 8,204,461.32
  4. Step 4: Simplify right side
    15,079,930.32x = 170,738,072,626,960.09
  5. Step 5: Solve for x
    x = 170,738,072,626,960.09/15,079,930.32
  6. Step 6: Final answer
    x = 11,322,205.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.