Home / 10,419,322.96-14,370,758.79-9,127,921.33

Finding the Fourth Proportional to 10,419,322.96, 14,370,758.79 and 9,127,921.33

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Solution

The fourth proportional to 10,419,322.96, 14,370,758.79 and 9,127,921.33 is: 12,589,604.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,419,322.96 : 14,370,758.79 = 9,127,921.33 : x
  2. Step 2: Convert to fraction form
    10,419,322.96/14,370,758.79 = 9,127,921.33/x
  3. Step 3: Cross multiply
    10,419,322.96x = 14,370,758.79 × 9,127,921.33
  4. Step 4: Simplify right side
    10,419,322.96x = 131,175,155,687,525.98
  5. Step 5: Solve for x
    x = 131,175,155,687,525.98/10,419,322.96
  6. Step 6: Final answer
    x = 12,589,604.54

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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.