Home / 12,320,260.86-18,478,979.34-3,223,236.32

Finding the Fourth Proportional to 12,320,260.86, 18,478,979.34 and 3,223,236.32

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Solution

The fourth proportional to 12,320,260.86, 18,478,979.34 and 3,223,236.32 is: 4,834,485.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,320,260.86 : 18,478,979.34 = 3,223,236.32 : x
  2. Step 2: Convert to fraction form
    12,320,260.86/18,478,979.34 = 3,223,236.32/x
  3. Step 3: Cross multiply
    12,320,260.86x = 18,478,979.34 × 3,223,236.32
  4. Step 4: Simplify right side
    12,320,260.86x = 59,562,117,365,217.62
  5. Step 5: Solve for x
    x = 59,562,117,365,217.62/12,320,260.86
  6. Step 6: Final answer
    x = 4,834,485.08

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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.