Home / 18,633,035.82-25,723,682.55-13,068,371.46

Finding the Fourth Proportional to 18,633,035.82, 25,723,682.55 and 13,068,371.46

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Solution

The fourth proportional to 18,633,035.82, 25,723,682.55 and 13,068,371.46 is: 18,041,431.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,633,035.82 : 25,723,682.55 = 13,068,371.46 : x
  2. Step 2: Convert to fraction form
    18,633,035.82/25,723,682.55 = 13,068,371.46/x
  3. Step 3: Cross multiply
    18,633,035.82x = 25,723,682.55 × 13,068,371.46
  4. Step 4: Simplify right side
    18,633,035.82x = 336,166,638,882,520.06
  5. Step 5: Solve for x
    x = 336,166,638,882,520.06/18,633,035.82
  6. Step 6: Final answer
    x = 18,041,431.47

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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.