Home / 19,469,027.32-26,870,851.92-12,508,406.20

Finding the Fourth Proportional to 19,469,027.32, 26,870,851.92 and 12,508,406.20

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Solution

The fourth proportional to 19,469,027.32, 26,870,851.92 and 12,508,406.20 is: 17,263,909.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,469,027.32 : 26,870,851.92 = 12,508,406.20 : x
  2. Step 2: Convert to fraction form
    19,469,027.32/26,870,851.92 = 12,508,406.20/x
  3. Step 3: Cross multiply
    19,469,027.32x = 26,870,851.92 × 12,508,406.20
  4. Step 4: Simplify right side
    19,469,027.32x = 336,111,530,755,409.94
  5. Step 5: Solve for x
    x = 336,111,530,755,409.94/19,469,027.32
  6. Step 6: Final answer
    x = 17,263,909.76

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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.