Home / 8,831,725.56-12,185,992.92-5,159,932.40

Finding the Fourth Proportional to 8,831,725.56, 12,185,992.92 and 5,159,932.40

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Solution

The fourth proportional to 8,831,725.56, 12,185,992.92 and 5,159,932.40 is: 7,119,661.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831,725.56 : 12,185,992.92 = 5,159,932.40 : x
  2. Step 2: Convert to fraction form
    8,831,725.56/12,185,992.92 = 5,159,932.40/x
  3. Step 3: Cross multiply
    8,831,725.56x = 12,185,992.92 × 5,159,932.40
  4. Step 4: Simplify right side
    8,831,725.56x = 62,878,899,694,078.61
  5. Step 5: Solve for x
    x = 62,878,899,694,078.61/8,831,725.56
  6. Step 6: Final answer
    x = 7,119,661.87

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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.