Home / 12,134,991.24-18,195,444.72-5,745,189.60

Finding the Fourth Proportional to 12,134,991.24, 18,195,444.72 and 5,745,189.60

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Solution

The fourth proportional to 12,134,991.24, 18,195,444.72 and 5,745,189.60 is: 8,614,450.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134,991.24 : 18,195,444.72 = 5,745,189.60 : x
  2. Step 2: Convert to fraction form
    12,134,991.24/18,195,444.72 = 5,745,189.60/x
  3. Step 3: Cross multiply
    12,134,991.24x = 18,195,444.72 × 5,745,189.60
  4. Step 4: Simplify right side
    12,134,991.24x = 104,536,279,772,718.89
  5. Step 5: Solve for x
    x = 104,536,279,772,718.89/12,134,991.24
  6. Step 6: Final answer
    x = 8,614,450.37

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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.