Home / 15,114,466.20-20,857,793.58-8,238,797.40

Finding the Fourth Proportional to 15,114,466.20, 20,857,793.58 and 8,238,797.40

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Solution

The fourth proportional to 15,114,466.20, 20,857,793.58 and 8,238,797.40 is: 11,369,447.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,114,466.20 : 20,857,793.58 = 8,238,797.40 : x
  2. Step 2: Convert to fraction form
    15,114,466.20/20,857,793.58 = 8,238,797.40/x
  3. Step 3: Cross multiply
    15,114,466.20x = 20,857,793.58 × 8,238,797.40
  4. Step 4: Simplify right side
    15,114,466.20x = 171,843,135,516,640.69
  5. Step 5: Solve for x
    x = 171,843,135,516,640.69/15,114,466.20
  6. Step 6: Final answer
    x = 11,369,447.87

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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.