Home / 15,504,260.96-21,395,880.20-8,630,366.88

Finding the Fourth Proportional to 15,504,260.96, 21,395,880.20 and 8,630,366.88

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Solution

The fourth proportional to 15,504,260.96, 21,395,880.20 and 8,630,366.88 is: 11,909,906.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,504,260.96 : 21,395,880.20 = 8,630,366.88 : x
  2. Step 2: Convert to fraction form
    15,504,260.96/21,395,880.20 = 8,630,366.88/x
  3. Step 3: Cross multiply
    15,504,260.96x = 21,395,880.20 × 8,630,366.88
  4. Step 4: Simplify right side
    15,504,260.96x = 184,654,295,846,527.78
  5. Step 5: Solve for x
    x = 184,654,295,846,527.78/15,504,260.96
  6. Step 6: Final answer
    x = 11,909,906.34

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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.