Home / 14,554,755.90-20,085,703.25-8,028,660.42

Finding the Fourth Proportional to 14,554,755.90, 20,085,703.25 and 8,028,660.42

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Solution

The fourth proportional to 14,554,755.90, 20,085,703.25 and 8,028,660.42 is: 11,079,628.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,554,755.90 : 20,085,703.25 = 8,028,660.42 : x
  2. Step 2: Convert to fraction form
    14,554,755.90/20,085,703.25 = 8,028,660.42/x
  3. Step 3: Cross multiply
    14,554,755.90x = 20,085,703.25 × 8,028,660.42
  4. Step 4: Simplify right side
    14,554,755.90x = 161,261,290,650,997.06
  5. Step 5: Solve for x
    x = 161,261,290,650,997.06/14,554,755.90
  6. Step 6: Final answer
    x = 11,079,628.66

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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.