Home / 20,917,998.92-31,362,362.22-10,686,027.08

Finding the Fourth Proportional to 20,917,998.92, 31,362,362.22 and 10,686,027.08

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Solution

The fourth proportional to 20,917,998.92, 31,362,362.22 and 10,686,027.08 is: 16,021,563.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,917,998.92 : 31,362,362.22 = 10,686,027.08 : x
  2. Step 2: Convert to fraction form
    20,917,998.92/31,362,362.22 = 10,686,027.08/x
  3. Step 3: Cross multiply
    20,917,998.92x = 31,362,362.22 × 10,686,027.08
  4. Step 4: Simplify right side
    20,917,998.92x = 335,139,051,975,688.94
  5. Step 5: Solve for x
    x = 335,139,051,975,688.94/20,917,998.92
  6. Step 6: Final answer
    x = 16,021,563.69

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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.