Home / 12,320,274.15-18,478,998.81-3,223,249.83

Finding the Fourth Proportional to 12,320,274.15, 18,478,998.81 and 3,223,249.83

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Solution

The fourth proportional to 12,320,274.15, 18,478,998.81 and 3,223,249.83 is: 4,834,505.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,320,274.15 : 18,478,998.81 = 3,223,249.83 : x
  2. Step 2: Convert to fraction form
    12,320,274.15/18,478,998.81 = 3,223,249.83/x
  3. Step 3: Cross multiply
    12,320,274.15x = 18,478,998.81 × 3,223,249.83
  4. Step 4: Simplify right side
    12,320,274.15x = 59,562,429,772,902.70
  5. Step 5: Solve for x
    x = 59,562,429,772,902.70/12,320,274.15
  6. Step 6: Final answer
    x = 4,834,505.23

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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.