Home / 6,415,511.92-8,853,406.16-3,515,012.80

Finding the Fourth Proportional to 6,415,511.92, 8,853,406.16 and 3,515,012.80

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Solution

The fourth proportional to 6,415,511.92, 8,853,406.16 and 3,515,012.80 is: 4,850,717.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,415,511.92 : 8,853,406.16 = 3,515,012.80 : x
  2. Step 2: Convert to fraction form
    6,415,511.92/8,853,406.16 = 3,515,012.80/x
  3. Step 3: Cross multiply
    6,415,511.92x = 8,853,406.16 × 3,515,012.80
  4. Step 4: Simplify right side
    6,415,511.92x = 31,119,835,975,998.85
  5. Step 5: Solve for x
    x = 31,119,835,975,998.85/6,415,511.92
  6. Step 6: Final answer
    x = 4,850,717.51

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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.