Home / 7,242,003.70-10,863,005.55-2,193,314.20

Finding the Fourth Proportional to 7,242,003.70, 10,863,005.55 and 2,193,314.20

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Solution

The fourth proportional to 7,242,003.70, 10,863,005.55 and 2,193,314.20 is: 3,289,971.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242,003.70 : 10,863,005.55 = 2,193,314.20 : x
  2. Step 2: Convert to fraction form
    7,242,003.70/10,863,005.55 = 2,193,314.20/x
  3. Step 3: Cross multiply
    7,242,003.70x = 10,863,005.55 × 2,193,314.20
  4. Step 4: Simplify right side
    7,242,003.70x = 23,825,984,327,493.81
  5. Step 5: Solve for x
    x = 23,825,984,327,493.81/7,242,003.70
  6. Step 6: Final answer
    x = 3,289,971.30

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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.