Home / 19,901,635.20-29,883,945.60-15,114,729.60

Finding the Fourth Proportional to 19,901,635.20, 29,883,945.60 and 15,114,729.60

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Solution

The fourth proportional to 19,901,635.20, 29,883,945.60 and 15,114,729.60 is: 22,696,012.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,901,635.20 : 29,883,945.60 = 15,114,729.60 : x
  2. Step 2: Convert to fraction form
    19,901,635.20/29,883,945.60 = 15,114,729.60/x
  3. Step 3: Cross multiply
    19,901,635.20x = 29,883,945.60 × 15,114,729.60
  4. Step 4: Simplify right side
    19,901,635.20x = 451,687,757,125,109.75
  5. Step 5: Solve for x
    x = 451,687,757,125,109.75/19,901,635.20
  6. Step 6: Final answer
    x = 22,696,012.29

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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.