Home / 10,804,128.80-16,203,871.19-3,418,761.60

Finding the Fourth Proportional to 10,804,128.80, 16,203,871.19 and 3,418,761.60

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Solution

The fourth proportional to 10,804,128.80, 16,203,871.19 and 3,418,761.60 is: 5,127,407.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,804,128.80 : 16,203,871.19 = 3,418,761.60 : x
  2. Step 2: Convert to fraction form
    10,804,128.80/16,203,871.19 = 3,418,761.60/x
  3. Step 3: Cross multiply
    10,804,128.80x = 16,203,871.19 × 3,418,761.60
  4. Step 4: Simplify right side
    10,804,128.80x = 55,397,172,604,265.21
  5. Step 5: Solve for x
    x = 55,397,172,604,265.21/10,804,128.80
  6. Step 6: Final answer
    x = 5,127,407.65

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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.