Home / 13,471,610.37-18,590,829.77-7,276,657.05

Finding the Fourth Proportional to 13,471,610.37, 18,590,829.77 and 7,276,657.05

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Solution

The fourth proportional to 13,471,610.37, 18,590,829.77 and 7,276,657.05 is: 10,041,790.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,471,610.37 : 18,590,829.77 = 7,276,657.05 : x
  2. Step 2: Convert to fraction form
    13,471,610.37/18,590,829.77 = 7,276,657.05/x
  3. Step 3: Cross multiply
    13,471,610.37x = 18,590,829.77 × 7,276,657.05
  4. Step 4: Simplify right side
    13,471,610.37x = 135,279,092,511,220.38
  5. Step 5: Solve for x
    x = 135,279,092,511,220.38/13,471,610.37
  6. Step 6: Final answer
    x = 10,041,790.76

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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.