Home / 28,797,575.28-39,741,030.84-15,744,849.21

Finding the Fourth Proportional to 28,797,575.28, 39,741,030.84 and 15,744,849.21

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Solution

The fourth proportional to 28,797,575.28, 39,741,030.84 and 15,744,849.21 is: 21,728,098.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,797,575.28 : 39,741,030.84 = 15,744,849.21 : x
  2. Step 2: Convert to fraction form
    28,797,575.28/39,741,030.84 = 15,744,849.21/x
  3. Step 3: Cross multiply
    28,797,575.28x = 39,741,030.84 × 15,744,849.21
  4. Step 4: Simplify right side
    28,797,575.28x = 625,716,538,025,759.75
  5. Step 5: Solve for x
    x = 625,716,538,025,759.75/28,797,575.28
  6. Step 6: Final answer
    x = 21,728,098.01

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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.