Home / 13,085,695.58-18,058,576.38-7,284,869.42

Finding the Fourth Proportional to 13,085,695.58, 18,058,576.38 and 7,284,869.42

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Solution

The fourth proportional to 13,085,695.58, 18,058,576.38 and 7,284,869.42 is: 10,053,295.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,085,695.58 : 18,058,576.38 = 7,284,869.42 : x
  2. Step 2: Convert to fraction form
    13,085,695.58/18,058,576.38 = 7,284,869.42/x
  3. Step 3: Cross multiply
    13,085,695.58x = 18,058,576.38 × 7,284,869.42
  4. Step 4: Simplify right side
    13,085,695.58x = 131,554,370,839,396.30
  5. Step 5: Solve for x
    x = 131,554,370,839,396.30/13,085,695.58
  6. Step 6: Final answer
    x = 10,053,295.99

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1.5x scale

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.