Home / 15,383,687.71-21,236,025.72-9,585,334.30

Finding the Fourth Proportional to 15,383,687.71, 21,236,025.72 and 9,585,334.30

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Solution

The fourth proportional to 15,383,687.71, 21,236,025.72 and 9,585,334.30 is: 13,231,834.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,383,687.71 : 21,236,025.72 = 9,585,334.30 : x
  2. Step 2: Convert to fraction form
    15,383,687.71/21,236,025.72 = 9,585,334.30/x
  3. Step 3: Cross multiply
    15,383,687.71x = 21,236,025.72 × 9,585,334.30
  4. Step 4: Simplify right side
    15,383,687.71x = 203,554,405,729,598.19
  5. Step 5: Solve for x
    x = 203,554,405,729,598.19/15,383,687.71
  6. Step 6: Final answer
    x = 13,231,834.24

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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.