Home / 13,634,619.80-20,451,929.70-8,532,786.20

Finding the Fourth Proportional to 13,634,619.80, 20,451,929.70 and 8,532,786.20

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Solution

The fourth proportional to 13,634,619.80, 20,451,929.70 and 8,532,786.20 is: 12,799,179.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,634,619.80 : 20,451,929.70 = 8,532,786.20 : x
  2. Step 2: Convert to fraction form
    13,634,619.80/20,451,929.70 = 8,532,786.20/x
  3. Step 3: Cross multiply
    13,634,619.80x = 20,451,929.70 × 8,532,786.20
  4. Step 4: Simplify right side
    13,634,619.80x = 174,511,943,507,530.12
  5. Step 5: Solve for x
    x = 174,511,943,507,530.12/13,634,619.80
  6. Step 6: Final answer
    x = 12,799,179.30

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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.