Home / 12,570,190.22-18,845,114.76-3,929,845.30

Finding the Fourth Proportional to 12,570,190.22, 18,845,114.76 and 3,929,845.30

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Solution

The fourth proportional to 12,570,190.22, 18,845,114.76 and 3,929,845.30 is: 5,891,588.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,570,190.22 : 18,845,114.76 = 3,929,845.30 : x
  2. Step 2: Convert to fraction form
    12,570,190.22/18,845,114.76 = 3,929,845.30/x
  3. Step 3: Cross multiply
    12,570,190.22x = 18,845,114.76 × 3,929,845.30
  4. Step 4: Simplify right side
    12,570,190.22x = 74,058,385,667,546.62
  5. Step 5: Solve for x
    x = 74,058,385,667,546.62/12,570,190.22
  6. Step 6: Final answer
    x = 5,891,588.30

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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.