Home / 28,568,228.40-39,426,725.92-16,181,334.58

Finding the Fourth Proportional to 28,568,228.40, 39,426,725.92 and 16,181,334.58

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Solution

The fourth proportional to 28,568,228.40, 39,426,725.92 and 16,181,334.58 is: 22,331,697.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,568,228.40 : 39,426,725.92 = 16,181,334.58 : x
  2. Step 2: Convert to fraction form
    28,568,228.40/39,426,725.92 = 16,181,334.58/x
  3. Step 3: Cross multiply
    28,568,228.40x = 39,426,725.92 × 16,181,334.58
  4. Step 4: Simplify right side
    28,568,228.40x = 637,977,043,505,478.38
  5. Step 5: Solve for x
    x = 637,977,043,505,478.38/28,568,228.40
  6. Step 6: Final answer
    x = 22,331,697.81

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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.