Home / 7,008,422.14-9,671,624.48-3,868,687.71

Finding the Fourth Proportional to 7,008,422.14, 9,671,624.48 and 3,868,687.71

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Solution

The fourth proportional to 7,008,422.14, 9,671,624.48 and 3,868,687.71 is: 5,338,790.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008,422.14 : 9,671,624.48 = 3,868,687.71 : x
  2. Step 2: Convert to fraction form
    7,008,422.14/9,671,624.48 = 3,868,687.71/x
  3. Step 3: Cross multiply
    7,008,422.14x = 9,671,624.48 × 3,868,687.71
  4. Step 4: Simplify right side
    7,008,422.14x = 37,416,494,795,361.92
  5. Step 5: Solve for x
    x = 37,416,494,795,361.92/7,008,422.14
  6. Step 6: Final answer
    x = 5,338,790.11

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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.