Home / 8,078,932.62-12,107,928.60-3,281,048.28

Finding the Fourth Proportional to 8,078,932.62, 12,107,928.60 and 3,281,048.28

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Solution

The fourth proportional to 8,078,932.62, 12,107,928.60 and 3,281,048.28 is: 4,917,320.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078,932.62 : 12,107,928.60 = 3,281,048.28 : x
  2. Step 2: Convert to fraction form
    8,078,932.62/12,107,928.60 = 3,281,048.28/x
  3. Step 3: Cross multiply
    8,078,932.62x = 12,107,928.60 × 3,281,048.28
  4. Step 4: Simplify right side
    8,078,932.62x = 39,726,698,307,392.80
  5. Step 5: Solve for x
    x = 39,726,698,307,392.80/8,078,932.62
  6. Step 6: Final answer
    x = 4,917,320.17

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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.