Home / 22,166,568-30,594,963.96-13,002,163.20

Finding the Fourth Proportional to 22,166,568, 30,594,963.96 and 13,002,163.20

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Solution

The fourth proportional to 22,166,568, 30,594,963.96 and 13,002,163.20 is: 17,945,976.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,166,568 : 30,594,963.96 = 13,002,163.20 : x
  2. Step 2: Convert to fraction form
    22,166,568/30,594,963.96 = 13,002,163.20/x
  3. Step 3: Cross multiply
    22,166,568x = 30,594,963.96 × 13,002,163.20
  4. Step 4: Simplify right side
    22,166,568x = 397,800,714,506,038.25
  5. Step 5: Solve for x
    x = 397,800,714,506,038.25/22,166,568
  6. Step 6: Final answer
    x = 17,945,976.77

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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.