Home / 8,430,574-12,645,893.94-2,040,815.92

Finding the Fourth Proportional to 8,430,574, 12,645,893.94 and 2,040,815.92

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Solution

The fourth proportional to 8,430,574, 12,645,893.94 and 2,040,815.92 is: 3,061,231.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,430,574 : 12,645,893.94 = 2,040,815.92 : x
  2. Step 2: Convert to fraction form
    8,430,574/12,645,893.94 = 2,040,815.92/x
  3. Step 3: Cross multiply
    8,430,574x = 12,645,893.94 × 2,040,815.92
  4. Step 4: Simplify right side
    8,430,574x = 25,807,941,675,383.52
  5. Step 5: Solve for x
    x = 25,807,941,675,383.52/8,430,574
  6. Step 6: Final answer
    x = 3,061,231.85

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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.