Home / 9,086,829.70-13,630,244.55-8,289,668.20

Finding the Fourth Proportional to 9,086,829.70, 13,630,244.55 and 8,289,668.20

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Solution

The fourth proportional to 9,086,829.70, 13,630,244.55 and 8,289,668.20 is: 12,434,502.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,086,829.70 : 13,630,244.55 = 8,289,668.20 : x
  2. Step 2: Convert to fraction form
    9,086,829.70/13,630,244.55 = 8,289,668.20/x
  3. Step 3: Cross multiply
    9,086,829.70x = 13,630,244.55 × 8,289,668.20
  4. Step 4: Simplify right side
    9,086,829.70x = 112,990,204,804,358.31
  5. Step 5: Solve for x
    x = 112,990,204,804,358.31/9,086,829.70
  6. Step 6: Final answer
    x = 12,434,502.30

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Similar ratio
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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.