Home / 12,476,738.40-18,715,107.60-8,613,621.60

Finding the Fourth Proportional to 12,476,738.40, 18,715,107.60 and 8,613,621.60

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Solution

The fourth proportional to 12,476,738.40, 18,715,107.60 and 8,613,621.60 is: 12,920,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476,738.40 : 18,715,107.60 = 8,613,621.60 : x
  2. Step 2: Convert to fraction form
    12,476,738.40/18,715,107.60 = 8,613,621.60/x
  3. Step 3: Cross multiply
    12,476,738.40x = 18,715,107.60 × 8,613,621.60
  4. Step 4: Simplify right side
    12,476,738.40x = 161,204,855,069,684.16
  5. Step 5: Solve for x
    x = 161,204,855,069,684.16/12,476,738.40
  6. Step 6: Final answer
    x = 12,920,432.40

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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.