Home / 8,642,521.21-12,961,662.04-4,093,405.69

Finding the Fourth Proportional to 8,642,521.21, 12,961,662.04 and 4,093,405.69

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Solution

The fourth proportional to 8,642,521.21, 12,961,662.04 and 4,093,405.69 is: 6,139,104.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,642,521.21 : 12,961,662.04 = 4,093,405.69 : x
  2. Step 2: Convert to fraction form
    8,642,521.21/12,961,662.04 = 4,093,405.69/x
  3. Step 3: Cross multiply
    8,642,521.21x = 12,961,662.04 × 4,093,405.69
  4. Step 4: Simplify right side
    8,642,521.21x = 53,057,341,146,393
  5. Step 5: Solve for x
    x = 53,057,341,146,393/8,642,521.21
  6. Step 6: Final answer
    x = 6,139,104.53

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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.