Home / 20,135,776.10-27,786,474.72-11,763,921.88

Finding the Fourth Proportional to 20,135,776.10, 27,786,474.72 and 11,763,921.88

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Solution

The fourth proportional to 20,135,776.10, 27,786,474.72 and 11,763,921.88 is: 16,233,688.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,135,776.10 : 27,786,474.72 = 11,763,921.88 : x
  2. Step 2: Convert to fraction form
    20,135,776.10/27,786,474.72 = 11,763,921.88/x
  3. Step 3: Cross multiply
    20,135,776.10x = 27,786,474.72 × 11,763,921.88
  4. Step 4: Simplify right side
    20,135,776.10x = 326,877,917,926,674.88
  5. Step 5: Solve for x
    x = 326,877,917,926,674.88/20,135,776.10
  6. Step 6: Final answer
    x = 16,233,688.55

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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.