Home / 9,168,015.60-13,752,023.40-8,131,705.65

Finding the Fourth Proportional to 9,168,015.60, 13,752,023.40 and 8,131,705.65

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Solution

The fourth proportional to 9,168,015.60, 13,752,023.40 and 8,131,705.65 is: 12,197,558.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168,015.60 : 13,752,023.40 = 8,131,705.65 : x
  2. Step 2: Convert to fraction form
    9,168,015.60/13,752,023.40 = 8,131,705.65/x
  3. Step 3: Cross multiply
    9,168,015.60x = 13,752,023.40 × 8,131,705.65
  4. Step 4: Simplify right side
    9,168,015.60x = 111,827,406,380,712.22
  5. Step 5: Solve for x
    x = 111,827,406,380,712.22/9,168,015.60
  6. Step 6: Final answer
    x = 12,197,558.48

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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.