Home / 15,433,450.20-21,296,626.74-8,909,181.56

Finding the Fourth Proportional to 15,433,450.20, 21,296,626.74 and 8,909,181.56

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Solution

The fourth proportional to 15,433,450.20, 21,296,626.74 and 8,909,181.56 is: 12,293,784.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,433,450.20 : 21,296,626.74 = 8,909,181.56 : x
  2. Step 2: Convert to fraction form
    15,433,450.20/21,296,626.74 = 8,909,181.56/x
  3. Step 3: Cross multiply
    15,433,450.20x = 21,296,626.74 × 8,909,181.56
  4. Step 4: Simplify right side
    15,433,450.20x = 189,735,514,135,727.75
  5. Step 5: Solve for x
    x = 189,735,514,135,727.75/15,433,450.20
  6. Step 6: Final answer
    x = 12,293,784.71

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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.