Home / 15,383,426.76-21,235,665.78-9,585,073.32

Finding the Fourth Proportional to 15,383,426.76, 21,235,665.78 and 9,585,073.32

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Solution

The fourth proportional to 15,383,426.76, 21,235,665.78 and 9,585,073.32 is: 13,231,474.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,383,426.76 : 21,235,665.78 = 9,585,073.32 : x
  2. Step 2: Convert to fraction form
    15,383,426.76/21,235,665.78 = 9,585,073.32/x
  3. Step 3: Cross multiply
    15,383,426.76x = 21,235,665.78 × 9,585,073.32
  4. Step 4: Simplify right side
    15,383,426.76x = 203,545,413,500,315
  5. Step 5: Solve for x
    x = 203,545,413,500,315/15,383,426.76
  6. Step 6: Final answer
    x = 13,231,474.15

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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.