Home / 7,747,128.36-11,620,597.77-3,484,286.28

Finding the Fourth Proportional to 7,747,128.36, 11,620,597.77 and 3,484,286.28

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Solution

The fourth proportional to 7,747,128.36, 11,620,597.77 and 3,484,286.28 is: 5,226,386.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747,128.36 : 11,620,597.77 = 3,484,286.28 : x
  2. Step 2: Convert to fraction form
    7,747,128.36/11,620,597.77 = 3,484,286.28/x
  3. Step 3: Cross multiply
    7,747,128.36x = 11,620,597.77 × 3,484,286.28
  4. Step 4: Simplify right side
    7,747,128.36x = 40,489,489,375,409.59
  5. Step 5: Solve for x
    x = 40,489,489,375,409.59/7,747,128.36
  6. Step 6: Final answer
    x = 5,226,386.80

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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.