Home / 13,744,611.43-18,965,287.96-7,943,933.32

Finding the Fourth Proportional to 13,744,611.43, 18,965,287.96 and 7,943,933.32

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Solution

The fourth proportional to 13,744,611.43, 18,965,287.96 and 7,943,933.32 is: 10,961,312.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744,611.43 : 18,965,287.96 = 7,943,933.32 : x
  2. Step 2: Convert to fraction form
    13,744,611.43/18,965,287.96 = 7,943,933.32/x
  3. Step 3: Cross multiply
    13,744,611.43x = 18,965,287.96 × 7,943,933.32
  4. Step 4: Simplify right side
    13,744,611.43x = 150,658,982,948,838.84
  5. Step 5: Solve for x
    x = 150,658,982,948,838.84/13,744,611.43
  6. Step 6: Final answer
    x = 10,961,312.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.