Home / 19,821,159.22-29,728,195.43-12,611,276.32

Finding the Fourth Proportional to 19,821,159.22, 29,728,195.43 and 12,611,276.32

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Solution

The fourth proportional to 19,821,159.22, 29,728,195.43 and 12,611,276.32 is: 18,914,659.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,821,159.22 : 29,728,195.43 = 12,611,276.32 : x
  2. Step 2: Convert to fraction form
    19,821,159.22/29,728,195.43 = 12,611,276.32/x
  3. Step 3: Cross multiply
    19,821,159.22x = 29,728,195.43 × 12,611,276.32
  4. Step 4: Simplify right side
    19,821,159.22x = 374,910,487,087,468.69
  5. Step 5: Solve for x
    x = 374,910,487,087,468.69/19,821,159.22
  6. Step 6: Final answer
    x = 18,914,659.98

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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.