Home / 20,892,633.96-31,339,180.44-6,319,701.48

Finding the Fourth Proportional to 20,892,633.96, 31,339,180.44 and 6,319,701.48

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Solution

The fourth proportional to 20,892,633.96, 31,339,180.44 and 6,319,701.48 is: 9,479,621.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,892,633.96 : 31,339,180.44 = 6,319,701.48 : x
  2. Step 2: Convert to fraction form
    20,892,633.96/31,339,180.44 = 6,319,701.48/x
  3. Step 3: Cross multiply
    20,892,633.96x = 31,339,180.44 × 6,319,701.48
  4. Step 4: Simplify right side
    20,892,633.96x = 198,054,265,008,655.06
  5. Step 5: Solve for x
    x = 198,054,265,008,655.06/20,892,633.96
  6. Step 6: Final answer
    x = 9,479,621.64

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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.