Home / 20,148,272.70-30,222,409.05-6,683,351.10

Finding the Fourth Proportional to 20,148,272.70, 30,222,409.05 and 6,683,351.10

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Solution

The fourth proportional to 20,148,272.70, 30,222,409.05 and 6,683,351.10 is: 10,025,026.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,148,272.70 : 30,222,409.05 = 6,683,351.10 : x
  2. Step 2: Convert to fraction form
    20,148,272.70/30,222,409.05 = 6,683,351.10/x
  3. Step 3: Cross multiply
    20,148,272.70x = 30,222,409.05 × 6,683,351.10
  4. Step 4: Simplify right side
    20,148,272.70x = 201,986,970,768,967.44
  5. Step 5: Solve for x
    x = 201,986,970,768,967.44/20,148,272.70
  6. Step 6: Final answer
    x = 10,025,026.65

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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.