Home / 7,231,703.61-9,979,873.48-3,968,821.92

Finding the Fourth Proportional to 7,231,703.61, 9,979,873.48 and 3,968,821.92

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Solution

The fourth proportional to 7,231,703.61, 9,979,873.48 and 3,968,821.92 is: 5,477,041.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231,703.61 : 9,979,873.48 = 3,968,821.92 : x
  2. Step 2: Convert to fraction form
    7,231,703.61/9,979,873.48 = 3,968,821.92/x
  3. Step 3: Cross multiply
    7,231,703.61x = 9,979,873.48 × 3,968,821.92
  4. Step 4: Simplify right side
    7,231,703.61x = 39,608,340,626,250.68
  5. Step 5: Solve for x
    x = 39,608,340,626,250.68/7,231,703.61
  6. Step 6: Final answer
    x = 5,477,041.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.