Home / 7,820,470.80-10,792,680.84-4,383,815.76

Finding the Fourth Proportional to 7,820,470.80, 10,792,680.84 and 4,383,815.76

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Solution

The fourth proportional to 7,820,470.80, 10,792,680.84 and 4,383,815.76 is: 6,049,907.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820,470.80 : 10,792,680.84 = 4,383,815.76 : x
  2. Step 2: Convert to fraction form
    7,820,470.80/10,792,680.84 = 4,383,815.76/x
  3. Step 3: Cross multiply
    7,820,470.80x = 10,792,680.84 × 4,383,815.76
  4. Step 4: Simplify right side
    7,820,470.80x = 47,313,124,359,042.04
  5. Step 5: Solve for x
    x = 47,313,124,359,042.04/7,820,470.80
  6. Step 6: Final answer
    x = 6,049,907.42

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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.