Home / 15,817,562.28-21,828,963.78-8,942,334.12

Finding the Fourth Proportional to 15,817,562.28, 21,828,963.78 and 8,942,334.12

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Solution

The fourth proportional to 15,817,562.28, 21,828,963.78 and 8,942,334.12 is: 12,340,832.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,817,562.28 : 21,828,963.78 = 8,942,334.12 : x
  2. Step 2: Convert to fraction form
    15,817,562.28/21,828,963.78 = 8,942,334.12/x
  3. Step 3: Cross multiply
    15,817,562.28x = 21,828,963.78 × 8,942,334.12
  4. Step 4: Simplify right side
    15,817,562.28x = 195,201,887,614,138.16
  5. Step 5: Solve for x
    x = 195,201,887,614,138.16/15,817,562.28
  6. Step 6: Final answer
    x = 12,340,832.56

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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.