Home / 19,686,234.20-29,529,351.30-18,835,928.60

Finding the Fourth Proportional to 19,686,234.20, 29,529,351.30 and 18,835,928.60

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Solution

The fourth proportional to 19,686,234.20, 29,529,351.30 and 18,835,928.60 is: 28,253,892.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686,234.20 : 29,529,351.30 = 18,835,928.60 : x
  2. Step 2: Convert to fraction form
    19,686,234.20/29,529,351.30 = 18,835,928.60/x
  3. Step 3: Cross multiply
    19,686,234.20x = 29,529,351.30 × 18,835,928.60
  4. Step 4: Simplify right side
    19,686,234.20x = 556,212,752,691,117.25
  5. Step 5: Solve for x
    x = 556,212,752,691,117.25/19,686,234.20
  6. Step 6: Final answer
    x = 28,253,892.90

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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.