Home / 12,131,653.69-18,206,258.94-4,746,793.70

Finding the Fourth Proportional to 12,131,653.69, 18,206,258.94 and 4,746,793.70

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Solution

The fourth proportional to 12,131,653.69, 18,206,258.94 and 4,746,793.70 is: 7,123,625.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,131,653.69 : 18,206,258.94 = 4,746,793.70 : x
  2. Step 2: Convert to fraction form
    12,131,653.69/18,206,258.94 = 4,746,793.70/x
  3. Step 3: Cross multiply
    12,131,653.69x = 18,206,258.94 × 4,746,793.70
  4. Step 4: Simplify right side
    12,131,653.69x = 86,421,355,179,578.05
  5. Step 5: Solve for x
    x = 86,421,355,179,578.05/12,131,653.69
  6. Step 6: Final answer
    x = 7,123,625.30

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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.