Home / 12,096,780.70-18,145,171.05-6,994,947.10

Finding the Fourth Proportional to 12,096,780.70, 18,145,171.05 and 6,994,947.10

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Solution

The fourth proportional to 12,096,780.70, 18,145,171.05 and 6,994,947.10 is: 10,492,420.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,780.70 : 18,145,171.05 = 6,994,947.10 : x
  2. Step 2: Convert to fraction form
    12,096,780.70/18,145,171.05 = 6,994,947.10/x
  3. Step 3: Cross multiply
    12,096,780.70x = 18,145,171.05 × 6,994,947.10
  4. Step 4: Simplify right side
    12,096,780.70x = 126,924,511,615,201.45
  5. Step 5: Solve for x
    x = 126,924,511,615,201.45/12,096,780.70
  6. Step 6: Final answer
    x = 10,492,420.65

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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.