Home / 15,383,654.20-21,235,979.52-9,585,300.74

Finding the Fourth Proportional to 15,383,654.20, 21,235,979.52 and 9,585,300.74

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Solution

The fourth proportional to 15,383,654.20, 21,235,979.52 and 9,585,300.74 is: 13,231,787.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,383,654.20 : 21,235,979.52 = 9,585,300.74 : x
  2. Step 2: Convert to fraction form
    15,383,654.20/21,235,979.52 = 9,585,300.74/x
  3. Step 3: Cross multiply
    15,383,654.20x = 21,235,979.52 × 9,585,300.74
  4. Step 4: Simplify right side
    15,383,654.20x = 203,553,250,101,500.94
  5. Step 5: Solve for x
    x = 203,553,250,101,500.94/15,383,654.20
  6. Step 6: Final answer
    x = 13,231,787.94

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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.