Home / 11,135,423.10-16,703,134.65-8,615,999.10

Finding the Fourth Proportional to 11,135,423.10, 16,703,134.65 and 8,615,999.10

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Solution

The fourth proportional to 11,135,423.10, 16,703,134.65 and 8,615,999.10 is: 12,923,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135,423.10 : 16,703,134.65 = 8,615,999.10 : x
  2. Step 2: Convert to fraction form
    11,135,423.10/16,703,134.65 = 8,615,999.10/x
  3. Step 3: Cross multiply
    11,135,423.10x = 16,703,134.65 × 8,615,999.10
  4. Step 4: Simplify right side
    11,135,423.10x = 143,914,193,111,578.81
  5. Step 5: Solve for x
    x = 143,914,193,111,578.81/11,135,423.10
  6. Step 6: Final answer
    x = 12,923,998.65

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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.