Home / 20,230,537.83-27,920,305.77-12,395,249.94

Finding the Fourth Proportional to 20,230,537.83, 27,920,305.77 and 12,395,249.94

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Solution

The fourth proportional to 20,230,537.83, 27,920,305.77 and 12,395,249.94 is: 17,106,770.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,230,537.83 : 27,920,305.77 = 12,395,249.94 : x
  2. Step 2: Convert to fraction form
    20,230,537.83/27,920,305.77 = 12,395,249.94/x
  3. Step 3: Cross multiply
    20,230,537.83x = 27,920,305.77 × 12,395,249.94
  4. Step 4: Simplify right side
    20,230,537.83x = 346,079,168,420,374.12
  5. Step 5: Solve for x
    x = 346,079,168,420,374.12/20,230,537.83
  6. Step 6: Final answer
    x = 17,106,770.53

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1.5x scale

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.