Home / 13,131,452.96-19,705,976.88-4,611,821.60

Finding the Fourth Proportional to 13,131,452.96, 19,705,976.88 and 4,611,821.60

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Solution

The fourth proportional to 13,131,452.96, 19,705,976.88 and 4,611,821.60 is: 6,920,822.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,131,452.96 : 19,705,976.88 = 4,611,821.60 : x
  2. Step 2: Convert to fraction form
    13,131,452.96/19,705,976.88 = 4,611,821.60/x
  3. Step 3: Cross multiply
    13,131,452.96x = 19,705,976.88 × 4,611,821.60
  4. Step 4: Simplify right side
    13,131,452.96x = 90,880,449,824,284.59
  5. Step 5: Solve for x
    x = 90,880,449,824,284.59/13,131,452.96
  6. Step 6: Final answer
    x = 6,920,822.10

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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.