Home / 19,003,341.60-28,512,010.80-7,651,936.80

Finding the Fourth Proportional to 19,003,341.60, 28,512,010.80 and 7,651,936.80

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Solution

The fourth proportional to 19,003,341.60, 28,512,010.80 and 7,651,936.80 is: 11,480,723.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,003,341.60 : 28,512,010.80 = 7,651,936.80 : x
  2. Step 2: Convert to fraction form
    19,003,341.60/28,512,010.80 = 7,651,936.80/x
  3. Step 3: Cross multiply
    19,003,341.60x = 28,512,010.80 × 7,651,936.80
  4. Step 4: Simplify right side
    19,003,341.60x = 218,172,104,682,517.44
  5. Step 5: Solve for x
    x = 218,172,104,682,517.44/19,003,341.60
  6. Step 6: Final answer
    x = 11,480,723.19

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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.