Home / 21,332,065.53-29,438,169.08-11,542,528.65

Finding the Fourth Proportional to 21,332,065.53, 29,438,169.08 and 11,542,528.65

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Solution

The fourth proportional to 21,332,065.53, 29,438,169.08 and 11,542,528.65 is: 15,928,645.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,332,065.53 : 29,438,169.08 = 11,542,528.65 : x
  2. Step 2: Convert to fraction form
    21,332,065.53/29,438,169.08 = 11,542,528.65/x
  3. Step 3: Cross multiply
    21,332,065.53x = 29,438,169.08 × 11,542,528.65
  4. Step 4: Simplify right side
    21,332,065.53x = 339,790,909,951,731.50
  5. Step 5: Solve for x
    x = 339,790,909,951,731.50/21,332,065.53
  6. Step 6: Final answer
    x = 15,928,645.52

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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.