Home / 15,383,653.69-21,235,978.83-9,585,300.24

Finding the Fourth Proportional to 15,383,653.69, 21,235,978.83 and 9,585,300.24

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Solution

The fourth proportional to 15,383,653.69, 21,235,978.83 and 9,585,300.24 is: 13,231,787.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,383,653.69 : 21,235,978.83 = 9,585,300.24 : x
  2. Step 2: Convert to fraction form
    15,383,653.69/21,235,978.83 = 9,585,300.24/x
  3. Step 3: Cross multiply
    15,383,653.69x = 21,235,978.83 × 9,585,300.24
  4. Step 4: Simplify right side
    15,383,653.69x = 203,553,232,975,833.91
  5. Step 5: Solve for x
    x = 203,553,232,975,833.91/15,383,653.69
  6. Step 6: Final answer
    x = 13,231,787.26

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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.