Home / 18,889,469.40-28,286,964.90-15,110,333.40

Finding the Fourth Proportional to 18,889,469.40, 28,286,964.90 and 15,110,333.40

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Solution

The fourth proportional to 18,889,469.40, 28,286,964.90 and 15,110,333.40 is: 22,627,711.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,889,469.40 : 28,286,964.90 = 15,110,333.40 : x
  2. Step 2: Convert to fraction form
    18,889,469.40/28,286,964.90 = 15,110,333.40/x
  3. Step 3: Cross multiply
    18,889,469.40x = 28,286,964.90 × 15,110,333.40
  4. Step 4: Simplify right side
    18,889,469.40x = 427,425,470,513,097.62
  5. Step 5: Solve for x
    x = 427,425,470,513,097.62/18,889,469.40
  6. Step 6: Final answer
    x = 22,627,711.85

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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.