Home / 6,427,464.80-9,636,124.37-3,186,768.05

Finding the Fourth Proportional to 6,427,464.80, 9,636,124.37 and 3,186,768.05

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Solution

The fourth proportional to 6,427,464.80, 9,636,124.37 and 3,186,768.05 is: 4,777,636.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427,464.80 : 9,636,124.37 = 3,186,768.05 : x
  2. Step 2: Convert to fraction form
    6,427,464.80/9,636,124.37 = 3,186,768.05/x
  3. Step 3: Cross multiply
    6,427,464.80x = 9,636,124.37 × 3,186,768.05
  4. Step 4: Simplify right side
    6,427,464.80x = 30,708,093,204,027.92
  5. Step 5: Solve for x
    x = 30,708,093,204,027.92/6,427,464.80
  6. Step 6: Final answer
    x = 4,777,636.94

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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.