Home / 6,820,137.60-10,255,089.60-5,725,276.80

Finding the Fourth Proportional to 6,820,137.60, 10,255,089.60 and 5,725,276.80

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Solution

The fourth proportional to 6,820,137.60, 10,255,089.60 and 5,725,276.80 is: 8,608,803.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,820,137.60 : 10,255,089.60 = 5,725,276.80 : x
  2. Step 2: Convert to fraction form
    6,820,137.60/10,255,089.60 = 5,725,276.80/x
  3. Step 3: Cross multiply
    6,820,137.60x = 10,255,089.60 × 5,725,276.80
  4. Step 4: Simplify right side
    6,820,137.60x = 58,713,226,568,801.27
  5. Step 5: Solve for x
    x = 58,713,226,568,801.27/6,820,137.60
  6. Step 6: Final answer
    x = 8,608,803.81

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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.