Home / 12,604,867.20-18,907,300.80-12,051,993.60

Finding the Fourth Proportional to 12,604,867.20, 18,907,300.80 and 12,051,993.60

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Solution

The fourth proportional to 12,604,867.20, 18,907,300.80 and 12,051,993.60 is: 18,077,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,604,867.20 : 18,907,300.80 = 12,051,993.60 : x
  2. Step 2: Convert to fraction form
    12,604,867.20/18,907,300.80 = 12,051,993.60/x
  3. Step 3: Cross multiply
    12,604,867.20x = 18,907,300.80 × 12,051,993.60
  4. Step 4: Simplify right side
    12,604,867.20x = 227,870,668,234,874.88
  5. Step 5: Solve for x
    x = 227,870,668,234,874.88/12,604,867.20
  6. Step 6: Final answer
    x = 18,077,990.40

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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.