Home / 8,119,726.52-12,179,787.42-2,728,455.08

Finding the Fourth Proportional to 8,119,726.52, 12,179,787.42 and 2,728,455.08

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Solution

The fourth proportional to 8,119,726.52, 12,179,787.42 and 2,728,455.08 is: 4,092,749.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119,726.52 : 12,179,787.42 = 2,728,455.08 : x
  2. Step 2: Convert to fraction form
    8,119,726.52/12,179,787.42 = 2,728,455.08/x
  3. Step 3: Cross multiply
    8,119,726.52x = 12,179,787.42 × 2,728,455.08
  4. Step 4: Simplify right side
    8,119,726.52x = 33,232,002,859,419.09
  5. Step 5: Solve for x
    x = 33,232,002,859,419.09/8,119,726.52
  6. Step 6: Final answer
    x = 4,092,749.03

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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.