Home / 12,858,891.60-19,289,076.16-4,663,318.08

Finding the Fourth Proportional to 12,858,891.60, 19,289,076.16 and 4,663,318.08

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Solution

The fourth proportional to 12,858,891.60, 19,289,076.16 and 4,663,318.08 is: 6,995,245.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,858,891.60 : 19,289,076.16 = 4,663,318.08 : x
  2. Step 2: Convert to fraction form
    12,858,891.60/19,289,076.16 = 4,663,318.08/x
  3. Step 3: Cross multiply
    12,858,891.60x = 19,289,076.16 × 4,663,318.08
  4. Step 4: Simplify right side
    12,858,891.60x = 89,951,097,603,424.97
  5. Step 5: Solve for x
    x = 89,951,097,603,424.97/12,858,891.60
  6. Step 6: Final answer
    x = 6,995,245.03

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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.