Home / 18,754,622.20-28,114,218.60-11,084,157.10

Finding the Fourth Proportional to 18,754,622.20, 28,114,218.60 and 11,084,157.10

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Solution

The fourth proportional to 18,754,622.20, 28,114,218.60 and 11,084,157.10 is: 16,615,766.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,754,622.20 : 28,114,218.60 = 11,084,157.10 : x
  2. Step 2: Convert to fraction form
    18,754,622.20/28,114,218.60 = 11,084,157.10/x
  3. Step 3: Cross multiply
    18,754,622.20x = 28,114,218.60 × 11,084,157.10
  4. Step 4: Simplify right side
    18,754,622.20x = 311,622,415,706,142.06
  5. Step 5: Solve for x
    x = 311,622,415,706,142.06/18,754,622.20
  6. Step 6: Final answer
    x = 16,615,766.10

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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.