Home / 6,820,145.60-10,255,101.60-5,725,284.80

Finding the Fourth Proportional to 6,820,145.60, 10,255,101.60 and 5,725,284.80

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Solution

The fourth proportional to 6,820,145.60, 10,255,101.60 and 5,725,284.80 is: 8,608,815.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,820,145.60 : 10,255,101.60 = 5,725,284.80 : x
  2. Step 2: Convert to fraction form
    6,820,145.60/10,255,101.60 = 5,725,284.80/x
  3. Step 3: Cross multiply
    6,820,145.60x = 10,255,101.60 × 5,725,284.80
  4. Step 4: Simplify right side
    6,820,145.60x = 58,713,377,312,935.68
  5. Step 5: Solve for x
    x = 58,713,377,312,935.68/6,820,145.60
  6. Step 6: Final answer
    x = 8,608,815.82

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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.