Home / 15,786,289.56-21,784,999.50-8,542,945.56

Finding the Fourth Proportional to 15,786,289.56, 21,784,999.50 and 8,542,945.56

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Solution

The fourth proportional to 15,786,289.56, 21,784,999.50 and 8,542,945.56 is: 11,789,221.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,786,289.56 : 21,784,999.50 = 8,542,945.56 : x
  2. Step 2: Convert to fraction form
    15,786,289.56/21,784,999.50 = 8,542,945.56/x
  3. Step 3: Cross multiply
    15,786,289.56x = 21,784,999.50 × 8,542,945.56
  4. Step 4: Simplify right side
    15,786,289.56x = 186,108,064,753,127.22
  5. Step 5: Solve for x
    x = 186,108,064,753,127.22/15,786,289.56
  6. Step 6: Final answer
    x = 11,789,221.53

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1.5x scale

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.