Home / 20,136,504.20-30,224,417.10-10,050,513.80

Finding the Fourth Proportional to 20,136,504.20, 30,224,417.10 and 10,050,513.80

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Solution

The fourth proportional to 20,136,504.20, 30,224,417.10 and 10,050,513.80 is: 15,085,583.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,136,504.20 : 30,224,417.10 = 10,050,513.80 : x
  2. Step 2: Convert to fraction form
    20,136,504.20/30,224,417.10 = 10,050,513.80/x
  3. Step 3: Cross multiply
    20,136,504.20x = 30,224,417.10 × 10,050,513.80
  4. Step 4: Simplify right side
    20,136,504.20x = 303,770,921,160,506
  5. Step 5: Solve for x
    x = 303,770,921,160,506/20,136,504.20
  6. Step 6: Final answer
    x = 15,085,583.78

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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.