Home / 19,821,162.83-29,728,200.84-12,611,279.93

Finding the Fourth Proportional to 19,821,162.83, 29,728,200.84 and 12,611,279.93

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Solution

The fourth proportional to 19,821,162.83, 29,728,200.84 and 12,611,279.93 is: 18,914,665.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,821,162.83 : 29,728,200.84 = 12,611,279.93 : x
  2. Step 2: Convert to fraction form
    19,821,162.83/29,728,200.84 = 12,611,279.93/x
  3. Step 3: Cross multiply
    19,821,162.83x = 29,728,200.84 × 12,611,279.93
  4. Step 4: Simplify right side
    19,821,162.83x = 374,910,662,459,860.19
  5. Step 5: Solve for x
    x = 374,910,662,459,860.19/19,821,162.83
  6. Step 6: Final answer
    x = 18,914,665.39

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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.