Home / 7,242,004.70-10,863,007.05-2,193,315.20

Finding the Fourth Proportional to 7,242,004.70, 10,863,007.05 and 2,193,315.20

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Solution

The fourth proportional to 7,242,004.70, 10,863,007.05 and 2,193,315.20 is: 3,289,972.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242,004.70 : 10,863,007.05 = 2,193,315.20 : x
  2. Step 2: Convert to fraction form
    7,242,004.70/10,863,007.05 = 2,193,315.20/x
  3. Step 3: Cross multiply
    7,242,004.70x = 10,863,007.05 × 2,193,315.20
  4. Step 4: Simplify right side
    7,242,004.70x = 23,825,998,480,472.16
  5. Step 5: Solve for x
    x = 23,825,998,480,472.16/7,242,004.70
  6. Step 6: Final answer
    x = 3,289,972.80

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Similar ratio
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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.