Home / 7,875,950.40-11,815,597.44-2,486,158.56

Finding the Fourth Proportional to 7,875,950.40, 11,815,597.44 and 2,486,158.56

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Solution

The fourth proportional to 7,875,950.40, 11,815,597.44 and 2,486,158.56 is: 3,729,765.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875,950.40 : 11,815,597.44 = 2,486,158.56 : x
  2. Step 2: Convert to fraction form
    7,875,950.40/11,815,597.44 = 2,486,158.56/x
  3. Step 3: Cross multiply
    7,875,950.40x = 11,815,597.44 × 2,486,158.56
  4. Step 4: Simplify right side
    7,875,950.40x = 29,375,448,716,970.09
  5. Step 5: Solve for x
    x = 29,375,448,716,970.09/7,875,950.40
  6. Step 6: Final answer
    x = 3,729,765.58

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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.