Home / 20,751,555.80-28,634,970.60-12,048,028.44

Finding the Fourth Proportional to 20,751,555.80, 28,634,970.60 and 12,048,028.44

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Solution

The fourth proportional to 20,751,555.80, 28,634,970.60 and 12,048,028.44 is: 16,625,015.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,751,555.80 : 28,634,970.60 = 12,048,028.44 : x
  2. Step 2: Convert to fraction form
    20,751,555.80/28,634,970.60 = 12,048,028.44/x
  3. Step 3: Cross multiply
    20,751,555.80x = 28,634,970.60 × 12,048,028.44
  4. Step 4: Simplify right side
    20,751,555.80x = 344,994,940,167,363.88
  5. Step 5: Solve for x
    x = 344,994,940,167,363.88/20,751,555.80
  6. Step 6: Final answer
    x = 16,625,015.66

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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.