Home / 16,115,286.40-24,172,929.60-12,462,121.60

Finding the Fourth Proportional to 16,115,286.40, 24,172,929.60 and 12,462,121.60

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Solution

The fourth proportional to 16,115,286.40, 24,172,929.60 and 12,462,121.60 is: 18,693,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,115,286.40 : 24,172,929.60 = 12,462,121.60 : x
  2. Step 2: Convert to fraction form
    16,115,286.40/24,172,929.60 = 12,462,121.60/x
  3. Step 3: Cross multiply
    16,115,286.40x = 24,172,929.60 × 12,462,121.60
  4. Step 4: Simplify right side
    16,115,286.40x = 301,245,988,103,439.38
  5. Step 5: Solve for x
    x = 301,245,988,103,439.38/16,115,286.40
  6. Step 6: Final answer
    x = 18,693,182.40

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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.