Home / 38,993,371.11-53,812,532.18-21,589,715.36

Finding the Fourth Proportional to 38,993,371.11, 53,812,532.18 and 21,589,715.36

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Solution

The fourth proportional to 38,993,371.11, 53,812,532.18 and 21,589,715.36 is: 29,794,737.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,993,371.11 : 53,812,532.18 = 21,589,715.36 : x
  2. Step 2: Convert to fraction form
    38,993,371.11/53,812,532.18 = 21,589,715.36/x
  3. Step 3: Cross multiply
    38,993,371.11x = 53,812,532.18 × 21,589,715.36
  4. Step 4: Simplify right side
    38,993,371.11x = 1,161,797,252,755,546
  5. Step 5: Solve for x
    x = 1,161,797,252,755,546/38,993,371.11
  6. Step 6: Final answer
    x = 29,794,737.40

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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.