Home / 20,112,710.48-27,756,454.42-11,853,121.35

Finding the Fourth Proportional to 20,112,710.48, 27,756,454.42 and 11,853,121.35

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Solution

The fourth proportional to 20,112,710.48, 27,756,454.42 and 11,853,121.35 is: 16,357,846.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,112,710.48 : 27,756,454.42 = 11,853,121.35 : x
  2. Step 2: Convert to fraction form
    20,112,710.48/27,756,454.42 = 11,853,121.35/x
  3. Step 3: Cross multiply
    20,112,710.48x = 27,756,454.42 × 11,853,121.35
  4. Step 4: Simplify right side
    20,112,710.48x = 329,000,622,486,003.88
  5. Step 5: Solve for x
    x = 329,000,622,486,003.88/20,112,710.48
  6. Step 6: Final answer
    x = 16,357,846.09

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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.