Home / 13,131,650.31-19,709,489.01-6,659,192.54

Finding the Fourth Proportional to 13,131,650.31, 19,709,489.01 and 6,659,192.54

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Solution

The fourth proportional to 13,131,650.31, 19,709,489.01 and 6,659,192.54 is: 9,994,881.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,131,650.31 : 19,709,489.01 = 6,659,192.54 : x
  2. Step 2: Convert to fraction form
    13,131,650.31/19,709,489.01 = 6,659,192.54/x
  3. Step 3: Cross multiply
    13,131,650.31x = 19,709,489.01 × 6,659,192.54
  4. Step 4: Simplify right side
    13,131,650.31x = 131,249,282,219,769.39
  5. Step 5: Solve for x
    x = 131,249,282,219,769.39/13,131,650.31
  6. Step 6: Final answer
    x = 9,994,881.00

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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.