Home / 12,857,028.32-17,741,526.36-7,629,135.50

Finding the Fourth Proportional to 12,857,028.32, 17,741,526.36 and 7,629,135.50

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Solution

The fourth proportional to 12,857,028.32, 17,741,526.36 and 7,629,135.50 is: 10,527,511.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,857,028.32 : 17,741,526.36 = 7,629,135.50 : x
  2. Step 2: Convert to fraction form
    12,857,028.32/17,741,526.36 = 7,629,135.50/x
  3. Step 3: Cross multiply
    12,857,028.32x = 17,741,526.36 × 7,629,135.50
  4. Step 4: Simplify right side
    12,857,028.32x = 135,352,508,577,261.78
  5. Step 5: Solve for x
    x = 135,352,508,577,261.78/12,857,028.32
  6. Step 6: Final answer
    x = 10,527,511.12

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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.