Home / 12,380,482.57-17,085,599.54-6,873,857.69

Finding the Fourth Proportional to 12,380,482.57, 17,085,599.54 and 6,873,857.69

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Solution

The fourth proportional to 12,380,482.57, 17,085,599.54 and 6,873,857.69 is: 9,486,219.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,380,482.57 : 17,085,599.54 = 6,873,857.69 : x
  2. Step 2: Convert to fraction form
    12,380,482.57/17,085,599.54 = 6,873,857.69/x
  3. Step 3: Cross multiply
    12,380,482.57x = 17,085,599.54 × 6,873,857.69
  4. Step 4: Simplify right side
    12,380,482.57x = 117,443,979,846,188.11
  5. Step 5: Solve for x
    x = 117,443,979,846,188.11/12,380,482.57
  6. Step 6: Final answer
    x = 9,486,219.88

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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.