Home / 19,345,115.70-28,992,790.35-11,764,034.10

Finding the Fourth Proportional to 19,345,115.70, 28,992,790.35 and 11,764,034.10

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Solution

The fourth proportional to 19,345,115.70, 28,992,790.35 and 11,764,034.10 is: 17,630,919.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,345,115.70 : 28,992,790.35 = 11,764,034.10 : x
  2. Step 2: Convert to fraction form
    19,345,115.70/28,992,790.35 = 11,764,034.10/x
  3. Step 3: Cross multiply
    19,345,115.70x = 28,992,790.35 × 11,764,034.10
  4. Step 4: Simplify right side
    19,345,115.70x = 341,072,174,331,550.94
  5. Step 5: Solve for x
    x = 341,072,174,331,550.94/19,345,115.70
  6. Step 6: Final answer
    x = 17,630,919.33

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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.