Home / 7,825,979.87-10,790,633.00-7,245,579.23

Finding the Fourth Proportional to 7,825,979.87, 10,790,633.00 and 7,245,579.23

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Solution

The fourth proportional to 7,825,979.87, 10,790,633.00 and 7,245,579.23 is: 9,990,363.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825,979.87 : 10,790,633.00 = 7,245,579.23 : x
  2. Step 2: Convert to fraction form
    7,825,979.87/10,790,633.00 = 7,245,579.23/x
  3. Step 3: Cross multiply
    7,825,979.87x = 10,790,633.00 × 7,245,579.23
  4. Step 4: Simplify right side
    7,825,979.87x = 78,184,386,307,124.69
  5. Step 5: Solve for x
    x = 78,184,386,307,124.69/7,825,979.87
  6. Step 6: Final answer
    x = 9,990,363.84

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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.