Home / 12,790,527.13-17,651,933.67-7,284,134.98

Finding the Fourth Proportional to 12,790,527.13, 17,651,933.67 and 7,284,134.98

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Solution

The fourth proportional to 12,790,527.13, 17,651,933.67 and 7,284,134.98 is: 10,052,679.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,790,527.13 : 17,651,933.67 = 7,284,134.98 : x
  2. Step 2: Convert to fraction form
    12,790,527.13/17,651,933.67 = 7,284,134.98/x
  3. Step 3: Cross multiply
    12,790,527.13x = 17,651,933.67 × 7,284,134.98
  4. Step 4: Simplify right side
    12,790,527.13x = 128,579,067,510,286.80
  5. Step 5: Solve for x
    x = 128,579,067,510,286.80/12,790,527.13
  6. Step 6: Final answer
    x = 10,052,679.32

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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.