Home / 7,643,911.76-11,465,867.61-2,786,582.51

Finding the Fourth Proportional to 7,643,911.76, 11,465,867.61 and 2,786,582.51

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Solution

The fourth proportional to 7,643,911.76, 11,465,867.61 and 2,786,582.51 is: 4,179,873.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643,911.76 : 11,465,867.61 = 2,786,582.51 : x
  2. Step 2: Convert to fraction form
    7,643,911.76/11,465,867.61 = 2,786,582.51/x
  3. Step 3: Cross multiply
    7,643,911.76x = 11,465,867.61 × 2,786,582.51
  4. Step 4: Simplify right side
    7,643,911.76x = 31,950,586,086,672.16
  5. Step 5: Solve for x
    x = 31,950,586,086,672.16/7,643,911.76
  6. Step 6: Final answer
    x = 4,179,873.75

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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.