Home / 12,999,930.92-17,945,698.47-8,592,311.27

Finding the Fourth Proportional to 12,999,930.92, 17,945,698.47 and 8,592,311.27

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Solution

The fourth proportional to 12,999,930.92, 17,945,698.47 and 8,592,311.27 is: 11,861,218.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,999,930.92 : 17,945,698.47 = 8,592,311.27 : x
  2. Step 2: Convert to fraction form
    12,999,930.92/17,945,698.47 = 8,592,311.27/x
  3. Step 3: Cross multiply
    12,999,930.92x = 17,945,698.47 × 8,592,311.27
  4. Step 4: Simplify right side
    12,999,930.92x = 154,195,027,211,802.75
  5. Step 5: Solve for x
    x = 154,195,027,211,802.75/12,999,930.92
  6. Step 6: Final answer
    x = 11,861,218.97

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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.