Home / 13,617,879-20,421,503.82-5,943,870.96

Finding the Fourth Proportional to 13,617,879, 20,421,503.82 and 5,943,870.96

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Solution

The fourth proportional to 13,617,879, 20,421,503.82 and 5,943,870.96 is: 8,913,486.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,617,879 : 20,421,503.82 = 5,943,870.96 : x
  2. Step 2: Convert to fraction form
    13,617,879/20,421,503.82 = 5,943,870.96/x
  3. Step 3: Cross multiply
    13,617,879x = 20,421,503.82 × 5,943,870.96
  4. Step 4: Simplify right side
    13,617,879x = 121,382,783,515,227.06
  5. Step 5: Solve for x
    x = 121,382,783,515,227.06/13,617,879
  6. Step 6: Final answer
    x = 8,913,486.71

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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.