Home / 13,540,455.91-20,315,739.98-5,455,725.22

Finding the Fourth Proportional to 13,540,455.91, 20,315,739.98 and 5,455,725.22

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Solution

The fourth proportional to 13,540,455.91, 20,315,739.98 and 5,455,725.22 is: 8,185,625.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,540,455.91 : 20,315,739.98 = 5,455,725.22 : x
  2. Step 2: Convert to fraction form
    13,540,455.91/20,315,739.98 = 5,455,725.22/x
  3. Step 3: Cross multiply
    13,540,455.91x = 20,315,739.98 × 5,455,725.22
  4. Step 4: Simplify right side
    13,540,455.91x = 110,837,094,934,698.28
  5. Step 5: Solve for x
    x = 110,837,094,934,698.28/13,540,455.91
  6. Step 6: Final answer
    x = 8,185,625.04

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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.