Home / 12,793,895-19,188,012.66-3,694,017.80

Finding the Fourth Proportional to 12,793,895, 19,188,012.66 and 3,694,017.80

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Solution

The fourth proportional to 12,793,895, 19,188,012.66 and 3,694,017.80 is: 5,540,209.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,793,895 : 19,188,012.66 = 3,694,017.80 : x
  2. Step 2: Convert to fraction form
    12,793,895/19,188,012.66 = 3,694,017.80/x
  3. Step 3: Cross multiply
    12,793,895x = 19,188,012.66 × 3,694,017.80
  4. Step 4: Simplify right side
    12,793,895x = 70,880,860,312,665.34
  5. Step 5: Solve for x
    x = 70,880,860,312,665.34/12,793,895
  6. Step 6: Final answer
    x = 5,540,209.63

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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.