Home / 15,420,093.77-21,279,729.40-8,544,575.83

Finding the Fourth Proportional to 15,420,093.77, 21,279,729.40 and 8,544,575.83

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Solution

The fourth proportional to 15,420,093.77, 21,279,729.40 and 8,544,575.83 is: 11,791,514.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,420,093.77 : 21,279,729.40 = 8,544,575.83 : x
  2. Step 2: Convert to fraction form
    15,420,093.77/21,279,729.40 = 8,544,575.83/x
  3. Step 3: Cross multiply
    15,420,093.77x = 21,279,729.40 × 8,544,575.83
  4. Step 4: Simplify right side
    15,420,093.77x = 181,826,261,500,180.41
  5. Step 5: Solve for x
    x = 181,826,261,500,180.41/15,420,093.77
  6. Step 6: Final answer
    x = 11,791,514.64

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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.