Home / 19,821,150.51-29,728,182.39-12,611,267.61

Finding the Fourth Proportional to 19,821,150.51, 29,728,182.39 and 12,611,267.61

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Solution

The fourth proportional to 19,821,150.51, 29,728,182.39 and 12,611,267.61 is: 18,914,646.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,821,150.51 : 29,728,182.39 = 12,611,267.61 : x
  2. Step 2: Convert to fraction form
    19,821,150.51/29,728,182.39 = 12,611,267.61/x
  3. Step 3: Cross multiply
    19,821,150.51x = 29,728,182.39 × 12,611,267.61
  4. Step 4: Simplify right side
    19,821,150.51x = 374,910,063,530,538.50
  5. Step 5: Solve for x
    x = 374,910,063,530,538.50/19,821,150.51
  6. Step 6: Final answer
    x = 18,914,646.93

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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.