Home / 8,666,614.28-11,963,790.24-5,728,201.18

Finding the Fourth Proportional to 8,666,614.28, 11,963,790.24 and 5,728,201.18

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Solution

The fourth proportional to 8,666,614.28, 11,963,790.24 and 5,728,201.18 is: 7,907,470.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666,614.28 : 11,963,790.24 = 5,728,201.18 : x
  2. Step 2: Convert to fraction form
    8,666,614.28/11,963,790.24 = 5,728,201.18/x
  3. Step 3: Cross multiply
    8,666,614.28x = 11,963,790.24 × 5,728,201.18
  4. Step 4: Simplify right side
    8,666,614.28x = 68,530,997,370,040.48
  5. Step 5: Solve for x
    x = 68,530,997,370,040.48/8,666,614.28
  6. Step 6: Final answer
    x = 7,907,470.57

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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.