Home / 9,517,409.36-13,134,119.40-5,166,530

Finding the Fourth Proportional to 9,517,409.36, 13,134,119.40 and 5,166,530

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Solution

The fourth proportional to 9,517,409.36, 13,134,119.40 and 5,166,530 is: 7,129,862.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,517,409.36 : 13,134,119.40 = 5,166,530 : x
  2. Step 2: Convert to fraction form
    9,517,409.36/13,134,119.40 = 5,166,530/x
  3. Step 3: Cross multiply
    9,517,409.36x = 13,134,119.40 × 5,166,530
  4. Step 4: Simplify right side
    9,517,409.36x = 67,857,821,903,682
  5. Step 5: Solve for x
    x = 67,857,821,903,682/9,517,409.36
  6. Step 6: Final answer
    x = 7,129,862.69

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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.