Home / 15,383,674.32-21,236,007.27-9,585,320.88

Finding the Fourth Proportional to 15,383,674.32, 21,236,007.27 and 9,585,320.88

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Solution

The fourth proportional to 15,383,674.32, 21,236,007.27 and 9,585,320.88 is: 13,231,815.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,383,674.32 : 21,236,007.27 = 9,585,320.88 : x
  2. Step 2: Convert to fraction form
    15,383,674.32/21,236,007.27 = 9,585,320.88/x
  3. Step 3: Cross multiply
    15,383,674.32x = 21,236,007.27 × 9,585,320.88
  4. Step 4: Simplify right side
    15,383,674.32x = 203,553,943,892,962.81
  5. Step 5: Solve for x
    x = 203,553,943,892,962.81/15,383,674.32
  6. Step 6: Final answer
    x = 13,231,815.73

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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.