Home / 8,185,394.46-12,279,352.86-2,792,787.87

Finding the Fourth Proportional to 8,185,394.46, 12,279,352.86 and 2,792,787.87

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Solution

The fourth proportional to 8,185,394.46, 12,279,352.86 and 2,792,787.87 is: 4,189,612.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,185,394.46 : 12,279,352.86 = 2,792,787.87 : x
  2. Step 2: Convert to fraction form
    8,185,394.46/12,279,352.86 = 2,792,787.87/x
  3. Step 3: Cross multiply
    8,185,394.46x = 12,279,352.86 × 2,792,787.87
  4. Step 4: Simplify right side
    8,185,394.46x = 34,293,627,718,857.81
  5. Step 5: Solve for x
    x = 34,293,627,718,857.81/8,185,394.46
  6. Step 6: Final answer
    x = 4,189,612.11

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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.