Home / 18,981,434.54-26,166,162.11-14,899,967.66

Finding the Fourth Proportional to 18,981,434.54, 26,166,162.11 and 14,899,967.66

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Solution

The fourth proportional to 18,981,434.54, 26,166,162.11 and 14,899,967.66 is: 20,539,805.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,981,434.54 : 26,166,162.11 = 14,899,967.66 : x
  2. Step 2: Convert to fraction form
    18,981,434.54/26,166,162.11 = 14,899,967.66/x
  3. Step 3: Cross multiply
    18,981,434.54x = 26,166,162.11 × 14,899,967.66
  4. Step 4: Simplify right side
    18,981,434.54x = 389,874,969,216,232.94
  5. Step 5: Solve for x
    x = 389,874,969,216,232.94/18,981,434.54
  6. Step 6: Final answer
    x = 20,539,805.27

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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.