Home / 25,782,431.20-38,640,469.20-19,768,991.20

Finding the Fourth Proportional to 25,782,431.20, 38,640,469.20 and 19,768,991.20

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Solution

The fourth proportional to 25,782,431.20, 38,640,469.20 and 19,768,991.20 is: 29,628,047.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,782,431.20 : 38,640,469.20 = 19,768,991.20 : x
  2. Step 2: Convert to fraction form
    25,782,431.20/38,640,469.20 = 19,768,991.20/x
  3. Step 3: Cross multiply
    25,782,431.20x = 38,640,469.20 × 19,768,991.20
  4. Step 4: Simplify right side
    25,782,431.20x = 763,883,095,578,671.12
  5. Step 5: Solve for x
    x = 763,883,095,578,671.12/25,782,431.20
  6. Step 6: Final answer
    x = 29,628,047.47

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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.