Home / 19,345,133.20-28,992,816.60-11,764,051.60

Finding the Fourth Proportional to 19,345,133.20, 28,992,816.60 and 11,764,051.60

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Solution

The fourth proportional to 19,345,133.20, 28,992,816.60 and 11,764,051.60 is: 17,630,945.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,345,133.20 : 28,992,816.60 = 11,764,051.60 : x
  2. Step 2: Convert to fraction form
    19,345,133.20/28,992,816.60 = 11,764,051.60/x
  3. Step 3: Cross multiply
    19,345,133.20x = 28,992,816.60 × 11,764,051.60
  4. Step 4: Simplify right side
    19,345,133.20x = 341,072,990,511,736.56
  5. Step 5: Solve for x
    x = 341,072,990,511,736.56/19,345,133.20
  6. Step 6: Final answer
    x = 17,630,945.57

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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.