Home / 12,120,782.92-16,727,035.35-6,614,512.59

Finding the Fourth Proportional to 12,120,782.92, 16,727,035.35 and 6,614,512.59

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Solution

The fourth proportional to 12,120,782.92, 16,727,035.35 and 6,614,512.59 is: 9,128,221.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,120,782.92 : 16,727,035.35 = 6,614,512.59 : x
  2. Step 2: Convert to fraction form
    12,120,782.92/16,727,035.35 = 6,614,512.59/x
  3. Step 3: Cross multiply
    12,120,782.92x = 16,727,035.35 × 6,614,512.59
  4. Step 4: Simplify right side
    12,120,782.92x = 110,641,185,915,950.05
  5. Step 5: Solve for x
    x = 110,641,185,915,950.05/12,120,782.92
  6. Step 6: Final answer
    x = 9,128,221.06

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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.