Home / 12,267,983.01-18,405,287.72-3,748,087.11

Finding the Fourth Proportional to 12,267,983.01, 18,405,287.72 and 3,748,087.11

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Solution

The fourth proportional to 12,267,983.01, 18,405,287.72 and 3,748,087.11 is: 5,623,142.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,267,983.01 : 18,405,287.72 = 3,748,087.11 : x
  2. Step 2: Convert to fraction form
    12,267,983.01/18,405,287.72 = 3,748,087.11/x
  3. Step 3: Cross multiply
    12,267,983.01x = 18,405,287.72 × 3,748,087.11
  4. Step 4: Simplify right side
    12,267,983.01x = 68,984,621,640,432.85
  5. Step 5: Solve for x
    x = 68,984,621,640,432.85/12,267,983.01
  6. Step 6: Final answer
    x = 5,623,142.91

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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.