Home / 20,136,471.20-30,224,367.60-10,050,480.80

Finding the Fourth Proportional to 20,136,471.20, 30,224,367.60 and 10,050,480.80

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Solution

The fourth proportional to 20,136,471.20, 30,224,367.60 and 10,050,480.80 is: 15,085,534.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,136,471.20 : 30,224,367.60 = 10,050,480.80 : x
  2. Step 2: Convert to fraction form
    20,136,471.20/30,224,367.60 = 10,050,480.80/x
  3. Step 3: Cross multiply
    20,136,471.20x = 30,224,367.60 × 10,050,480.80
  4. Step 4: Simplify right side
    20,136,471.20x = 303,769,426,255,942.12
  5. Step 5: Solve for x
    x = 303,769,426,255,942.12/20,136,471.20
  6. Step 6: Final answer
    x = 15,085,534.26

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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.