Home / 15,571,721.84-23,359,816.22-4,789,932.12

Finding the Fourth Proportional to 15,571,721.84, 23,359,816.22 and 4,789,932.12

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Solution

The fourth proportional to 15,571,721.84, 23,359,816.22 and 4,789,932.12 is: 7,185,585.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,571,721.84 : 23,359,816.22 = 4,789,932.12 : x
  2. Step 2: Convert to fraction form
    15,571,721.84/23,359,816.22 = 4,789,932.12/x
  3. Step 3: Cross multiply
    15,571,721.84x = 23,359,816.22 × 4,789,932.12
  4. Step 4: Simplify right side
    15,571,721.84x = 111,891,934,005,525.33
  5. Step 5: Solve for x
    x = 111,891,934,005,525.33/15,571,721.84
  6. Step 6: Final answer
    x = 7,185,585.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.