Home / 13,951,976.96-19,254,805.50-8,370,432.78

Finding the Fourth Proportional to 13,951,976.96, 19,254,805.50 and 8,370,432.78

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Solution

The fourth proportional to 13,951,976.96, 19,254,805.50 and 8,370,432.78 is: 11,551,843.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951,976.96 : 19,254,805.50 = 8,370,432.78 : x
  2. Step 2: Convert to fraction form
    13,951,976.96/19,254,805.50 = 8,370,432.78/x
  3. Step 3: Cross multiply
    13,951,976.96x = 19,254,805.50 × 8,370,432.78
  4. Step 4: Simplify right side
    13,951,976.96x = 161,171,055,041,824.22
  5. Step 5: Solve for x
    x = 161,171,055,041,824.22/13,951,976.96
  6. Step 6: Final answer
    x = 11,551,843.55

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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.