Home / 21,085,616.64-31,632,738.76-7,250,778.58

Finding the Fourth Proportional to 21,085,616.64, 31,632,738.76 and 7,250,778.58

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Solution

The fourth proportional to 21,085,616.64, 31,632,738.76 and 7,250,778.58 is: 10,877,651.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,085,616.64 : 31,632,738.76 = 7,250,778.58 : x
  2. Step 2: Convert to fraction form
    21,085,616.64/31,632,738.76 = 7,250,778.58/x
  3. Step 3: Cross multiply
    21,085,616.64x = 31,632,738.76 × 7,250,778.58
  4. Step 4: Simplify right side
    21,085,616.64x = 229,361,984,706,825.59
  5. Step 5: Solve for x
    x = 229,361,984,706,825.59/21,085,616.64
  6. Step 6: Final answer
    x = 10,877,651.28

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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.