Home / 12,342,794.13-18,515,408.76-4,254,705.18

Finding the Fourth Proportional to 12,342,794.13, 18,515,408.76 and 4,254,705.18

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Solution

The fourth proportional to 12,342,794.13, 18,515,408.76 and 4,254,705.18 is: 6,382,477.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,342,794.13 : 18,515,408.76 = 4,254,705.18 : x
  2. Step 2: Convert to fraction form
    12,342,794.13/18,515,408.76 = 4,254,705.18/x
  3. Step 3: Cross multiply
    12,342,794.13x = 18,515,408.76 × 4,254,705.18
  4. Step 4: Simplify right side
    12,342,794.13x = 78,777,605,560,989.38
  5. Step 5: Solve for x
    x = 78,777,605,560,989.38/12,342,794.13
  6. Step 6: Final answer
    x = 6,382,477.48

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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.