Home / 20,467,299.40-30,700,949.10-17,384,941.60

Finding the Fourth Proportional to 20,467,299.40, 30,700,949.10 and 17,384,941.60

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Solution

The fourth proportional to 20,467,299.40, 30,700,949.10 and 17,384,941.60 is: 26,077,412.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,467,299.40 : 30,700,949.10 = 17,384,941.60 : x
  2. Step 2: Convert to fraction form
    20,467,299.40/30,700,949.10 = 17,384,941.60/x
  3. Step 3: Cross multiply
    20,467,299.40x = 30,700,949.10 × 17,384,941.60
  4. Step 4: Simplify right side
    20,467,299.40x = 533,734,207,168,072.62
  5. Step 5: Solve for x
    x = 533,734,207,168,072.62/20,467,299.40
  6. Step 6: Final answer
    x = 26,077,412.40

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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.