Home / 19,570,879.06-27,016,992.72-11,309,327.60

Finding the Fourth Proportional to 19,570,879.06, 27,016,992.72 and 11,309,327.60

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Solution

The fourth proportional to 19,570,879.06, 27,016,992.72 and 11,309,327.60 is: 15,612,176.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,570,879.06 : 27,016,992.72 = 11,309,327.60 : x
  2. Step 2: Convert to fraction form
    19,570,879.06/27,016,992.72 = 11,309,327.60/x
  3. Step 3: Cross multiply
    19,570,879.06x = 27,016,992.72 × 11,309,327.60
  4. Step 4: Simplify right side
    19,570,879.06x = 305,544,021,302,210.12
  5. Step 5: Solve for x
    x = 305,544,021,302,210.12/19,570,879.06
  6. Step 6: Final answer
    x = 15,612,176.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.