Home / 12,482,004.70-18,723,007.05-8,230,476.70

Finding the Fourth Proportional to 12,482,004.70, 18,723,007.05 and 8,230,476.70

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Solution

The fourth proportional to 12,482,004.70, 18,723,007.05 and 8,230,476.70 is: 12,345,715.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,004.70 : 18,723,007.05 = 8,230,476.70 : x
  2. Step 2: Convert to fraction form
    12,482,004.70/18,723,007.05 = 8,230,476.70/x
  3. Step 3: Cross multiply
    12,482,004.70x = 18,723,007.05 × 8,230,476.70
  4. Step 4: Simplify right side
    12,482,004.70x = 154,099,273,278,960.75
  5. Step 5: Solve for x
    x = 154,099,273,278,960.75/12,482,004.70
  6. Step 6: Final answer
    x = 12,345,715.05

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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.