Home / 20,146,923.88-27,801,943.62-10,979,369.80

Finding the Fourth Proportional to 20,146,923.88, 27,801,943.62 and 10,979,369.80

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Solution

The fourth proportional to 20,146,923.88, 27,801,943.62 and 10,979,369.80 is: 15,151,088.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,146,923.88 : 27,801,943.62 = 10,979,369.80 : x
  2. Step 2: Convert to fraction form
    20,146,923.88/27,801,943.62 = 10,979,369.80/x
  3. Step 3: Cross multiply
    20,146,923.88x = 27,801,943.62 × 10,979,369.80
  4. Step 4: Simplify right side
    20,146,923.88x = 305,247,820,162,730.69
  5. Step 5: Solve for x
    x = 305,247,820,162,730.69/20,146,923.88
  6. Step 6: Final answer
    x = 15,151,088.18

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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.