Home / 7,875,952.65-11,815,600.82-2,486,160.81

Finding the Fourth Proportional to 7,875,952.65, 11,815,600.82 and 2,486,160.81

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Solution

The fourth proportional to 7,875,952.65, 11,815,600.82 and 2,486,160.81 is: 3,729,768.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875,952.65 : 11,815,600.82 = 2,486,160.81 : x
  2. Step 2: Convert to fraction form
    7,875,952.65/11,815,600.82 = 2,486,160.81/x
  3. Step 3: Cross multiply
    7,875,952.65x = 11,815,600.82 × 2,486,160.81
  4. Step 4: Simplify right side
    7,875,952.65x = 29,375,483,692,857.06
  5. Step 5: Solve for x
    x = 29,375,483,692,857.06/7,875,952.65
  6. Step 6: Final answer
    x = 3,729,768.96

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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.