Home / 15,268,850.28-21,063,990.09-13,528,296.27

Finding the Fourth Proportional to 15,268,850.28, 21,063,990.09 and 13,528,296.27

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Solution

The fourth proportional to 15,268,850.28, 21,063,990.09 and 13,528,296.27 is: 18,662,826.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,268,850.28 : 21,063,990.09 = 13,528,296.27 : x
  2. Step 2: Convert to fraction form
    15,268,850.28/21,063,990.09 = 13,528,296.27/x
  3. Step 3: Cross multiply
    15,268,850.28x = 21,063,990.09 × 13,528,296.27
  4. Step 4: Simplify right side
    15,268,850.28x = 284,959,898,565,863.94
  5. Step 5: Solve for x
    x = 284,959,898,565,863.94/15,268,850.28
  6. Step 6: Final answer
    x = 18,662,826.17

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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.