Home / 14,995,812.56-20,694,422.09-8,380,110.22

Finding the Fourth Proportional to 14,995,812.56, 20,694,422.09 and 8,380,110.22

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Solution

The fourth proportional to 14,995,812.56, 20,694,422.09 and 8,380,110.22 is: 11,564,664.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,995,812.56 : 20,694,422.09 = 8,380,110.22 : x
  2. Step 2: Convert to fraction form
    14,995,812.56/20,694,422.09 = 8,380,110.22/x
  3. Step 3: Cross multiply
    14,995,812.56x = 20,694,422.09 × 8,380,110.22
  4. Step 4: Simplify right side
    14,995,812.56x = 173,421,538,022,617
  5. Step 5: Solve for x
    x = 173,421,538,022,617/14,995,812.56
  6. Step 6: Final answer
    x = 11,564,664.29

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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.