Home / 12,299,684.16-18,449,591.84-8,066,658.20

Finding the Fourth Proportional to 12,299,684.16, 18,449,591.84 and 8,066,658.20

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Solution

The fourth proportional to 12,299,684.16, 18,449,591.84 and 8,066,658.20 is: 12,100,030.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299,684.16 : 18,449,591.84 = 8,066,658.20 : x
  2. Step 2: Convert to fraction form
    12,299,684.16/18,449,591.84 = 8,066,658.20/x
  3. Step 3: Cross multiply
    12,299,684.16x = 18,449,591.84 × 8,066,658.20
  4. Step 4: Simplify right side
    12,299,684.16x = 148,826,551,302,789.09
  5. Step 5: Solve for x
    x = 148,826,551,302,789.09/12,299,684.16
  6. Step 6: Final answer
    x = 12,100,030.32

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1.5x scale

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.