Home / 20,269,785.27-27,971,958.03-10,977,279.87

Finding the Fourth Proportional to 20,269,785.27, 27,971,958.03 and 10,977,279.87

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Solution

The fourth proportional to 20,269,785.27, 27,971,958.03 and 10,977,279.87 is: 15,148,459.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,269,785.27 : 27,971,958.03 = 10,977,279.87 : x
  2. Step 2: Convert to fraction form
    20,269,785.27/27,971,958.03 = 10,977,279.87/x
  3. Step 3: Cross multiply
    20,269,785.27x = 27,971,958.03 × 10,977,279.87
  4. Step 4: Simplify right side
    20,269,785.27x = 307,056,011,807,203.88
  5. Step 5: Solve for x
    x = 307,056,011,807,203.88/20,269,785.27
  6. Step 6: Final answer
    x = 15,148,459.03

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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.