Home / 20,552,922.29-30,829,371.35-19,190,898.51

Finding the Fourth Proportional to 20,552,922.29, 30,829,371.35 and 19,190,898.51

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Solution

The fourth proportional to 20,552,922.29, 30,829,371.35 and 19,190,898.51 is: 28,786,336.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552,922.29 : 30,829,371.35 = 19,190,898.51 : x
  2. Step 2: Convert to fraction form
    20,552,922.29/30,829,371.35 = 19,190,898.51/x
  3. Step 3: Cross multiply
    20,552,922.29x = 30,829,371.35 × 19,190,898.51
  4. Step 4: Simplify right side
    20,552,922.29x = 591,643,336,608,997.25
  5. Step 5: Solve for x
    x = 591,643,336,608,997.25/20,552,922.29
  6. Step 6: Final answer
    x = 28,786,336.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.