Home / 15,383,652.69-21,235,977.45-9,585,299.24

Finding the Fourth Proportional to 15,383,652.69, 21,235,977.45 and 9,585,299.24

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Solution

The fourth proportional to 15,383,652.69, 21,235,977.45 and 9,585,299.24 is: 13,231,785.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,383,652.69 : 21,235,977.45 = 9,585,299.24 : x
  2. Step 2: Convert to fraction form
    15,383,652.69/21,235,977.45 = 9,585,299.24/x
  3. Step 3: Cross multiply
    15,383,652.69x = 21,235,977.45 × 9,585,299.24
  4. Step 4: Simplify right side
    15,383,652.69x = 203,553,198,405,962.22
  5. Step 5: Solve for x
    x = 203,553,198,405,962.22/15,383,652.69
  6. Step 6: Final answer
    x = 13,231,785.88

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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.