Home / 12,456,692.72-17,190,212.08-6,949,739.88

Finding the Fourth Proportional to 12,456,692.72, 17,190,212.08 and 6,949,739.88

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Solution

The fourth proportional to 12,456,692.72, 17,190,212.08 and 6,949,739.88 is: 9,590,627.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456,692.72 : 17,190,212.08 = 6,949,739.88 : x
  2. Step 2: Convert to fraction form
    12,456,692.72/17,190,212.08 = 6,949,739.88/x
  3. Step 3: Cross multiply
    12,456,692.72x = 17,190,212.08 × 6,949,739.88
  4. Step 4: Simplify right side
    12,456,692.72x = 119,467,502,438,033.73
  5. Step 5: Solve for x
    x = 119,467,502,438,033.73/12,456,692.72
  6. Step 6: Final answer
    x = 9,590,627.72

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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.