Home / 11,191,505.40-16,787,258.10-6,399,679.05

Finding the Fourth Proportional to 11,191,505.40, 16,787,258.10 and 6,399,679.05

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Solution

The fourth proportional to 11,191,505.40, 16,787,258.10 and 6,399,679.05 is: 9,599,518.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191,505.40 : 16,787,258.10 = 6,399,679.05 : x
  2. Step 2: Convert to fraction form
    11,191,505.40/16,787,258.10 = 6,399,679.05/x
  3. Step 3: Cross multiply
    11,191,505.40x = 16,787,258.10 × 6,399,679.05
  4. Step 4: Simplify right side
    11,191,505.40x = 107,433,063,969,512.81
  5. Step 5: Solve for x
    x = 107,433,063,969,512.81/11,191,505.40
  6. Step 6: Final answer
    x = 9,599,518.58

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Double scale
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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.