Home / 8,081,134.20-12,135,698.10-4,301,998.20

Finding the Fourth Proportional to 8,081,134.20, 12,135,698.10 and 4,301,998.20

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Solution

The fourth proportional to 8,081,134.20, 12,135,698.10 and 4,301,998.20 is: 6,460,448.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081,134.20 : 12,135,698.10 = 4,301,998.20 : x
  2. Step 2: Convert to fraction form
    8,081,134.20/12,135,698.10 = 4,301,998.20/x
  3. Step 3: Cross multiply
    8,081,134.20x = 12,135,698.10 × 4,301,998.20
  4. Step 4: Simplify right side
    8,081,134.20x = 52,207,751,381,943.42
  5. Step 5: Solve for x
    x = 52,207,751,381,943.42/8,081,134.20
  6. Step 6: Final answer
    x = 6,460,448.51

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Double scale
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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.