Home / 6,640,221.44-9,163,263.65-3,699,886.61

Finding the Fourth Proportional to 6,640,221.44, 9,163,263.65 and 3,699,886.61

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Solution

The fourth proportional to 6,640,221.44, 9,163,263.65 and 3,699,886.61 is: 5,105,708.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640,221.44 : 9,163,263.65 = 3,699,886.61 : x
  2. Step 2: Convert to fraction form
    6,640,221.44/9,163,263.65 = 3,699,886.61/x
  3. Step 3: Cross multiply
    6,640,221.44x = 9,163,263.65 × 3,699,886.61
  4. Step 4: Simplify right side
    6,640,221.44x = 33,903,036,514,692.60
  5. Step 5: Solve for x
    x = 33,903,036,514,692.60/6,640,221.44
  6. Step 6: Final answer
    x = 5,105,708.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.