Home / 21,519,052.68-32,259,467.60-8,385,429.66

Finding the Fourth Proportional to 21,519,052.68, 32,259,467.60 and 8,385,429.66

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Solution

The fourth proportional to 21,519,052.68, 32,259,467.60 and 8,385,429.66 is: 12,570,697.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,519,052.68 : 32,259,467.60 = 8,385,429.66 : x
  2. Step 2: Convert to fraction form
    21,519,052.68/32,259,467.60 = 8,385,429.66/x
  3. Step 3: Cross multiply
    21,519,052.68x = 32,259,467.60 × 8,385,429.66
  4. Step 4: Simplify right side
    21,519,052.68x = 270,509,496,386,921.88
  5. Step 5: Solve for x
    x = 270,509,496,386,921.88/21,519,052.68
  6. Step 6: Final answer
    x = 12,570,697.25

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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.