Home / 20,263,658.31-27,963,811.50-10,971,227.24

Finding the Fourth Proportional to 20,263,658.31, 27,963,811.50 and 10,971,227.24

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Solution

The fourth proportional to 20,263,658.31, 27,963,811.50 and 10,971,227.24 is: 15,140,273.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,263,658.31 : 27,963,811.50 = 10,971,227.24 : x
  2. Step 2: Convert to fraction form
    20,263,658.31/27,963,811.50 = 10,971,227.24/x
  3. Step 3: Cross multiply
    20,263,658.31x = 27,963,811.50 × 10,971,227.24
  4. Step 4: Simplify right side
    20,263,658.31x = 306,797,330,268,350.06
  5. Step 5: Solve for x
    x = 306,797,330,268,350.06/20,263,658.31
  6. Step 6: Final answer
    x = 15,140,273.57

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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.