Home / 15,383,653.92-21,235,979.13-9,585,300.45

Finding the Fourth Proportional to 15,383,653.92, 21,235,979.13 and 9,585,300.45

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Solution

The fourth proportional to 15,383,653.92, 21,235,979.13 and 9,585,300.45 is: 13,231,787.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,383,653.92 : 21,235,979.13 = 9,585,300.45 : x
  2. Step 2: Convert to fraction form
    15,383,653.92/21,235,979.13 = 9,585,300.45/x
  3. Step 3: Cross multiply
    15,383,653.92x = 21,235,979.13 × 9,585,300.45
  4. Step 4: Simplify right side
    15,383,653.92x = 203,553,240,310,979.59
  5. Step 5: Solve for x
    x = 203,553,240,310,979.59/15,383,653.92
  6. Step 6: Final answer
    x = 13,231,787.54

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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.