Home / 8,628,154.36-12,932,397.94-5,391,186.60

Finding the Fourth Proportional to 8,628,154.36, 12,932,397.94 and 5,391,186.60

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Solution

The fourth proportional to 8,628,154.36, 12,932,397.94 and 5,391,186.60 is: 8,080,635.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,628,154.36 : 12,932,397.94 = 5,391,186.60 : x
  2. Step 2: Convert to fraction form
    8,628,154.36/12,932,397.94 = 5,391,186.60/x
  3. Step 3: Cross multiply
    8,628,154.36x = 12,932,397.94 × 5,391,186.60
  4. Step 4: Simplify right side
    8,628,154.36x = 69,720,970,388,377.68
  5. Step 5: Solve for x
    x = 69,720,970,388,377.68/8,628,154.36
  6. Step 6: Final answer
    x = 8,080,635.50

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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.