Home / 28,410,871.68-39,180,855.84-18,617,759.04

Finding the Fourth Proportional to 28,410,871.68, 39,180,855.84 and 18,617,759.04

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Solution

The fourth proportional to 28,410,871.68, 39,180,855.84 and 18,617,759.04 is: 25,675,373.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,410,871.68 : 39,180,855.84 = 18,617,759.04 : x
  2. Step 2: Convert to fraction form
    28,410,871.68/39,180,855.84 = 18,617,759.04/x
  3. Step 3: Cross multiply
    28,410,871.68x = 39,180,855.84 × 18,617,759.04
  4. Step 4: Simplify right side
    28,410,871.68x = 729,459,733,010,096.88
  5. Step 5: Solve for x
    x = 729,459,733,010,096.88/28,410,871.68
  6. Step 6: Final answer
    x = 25,675,373.19

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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.