Home / 17,961,911.20-26,942,866.80-15,836,147.20

Finding the Fourth Proportional to 17,961,911.20, 26,942,866.80 and 15,836,147.20

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Solution

The fourth proportional to 17,961,911.20, 26,942,866.80 and 15,836,147.20 is: 23,754,220.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,961,911.20 : 26,942,866.80 = 15,836,147.20 : x
  2. Step 2: Convert to fraction form
    17,961,911.20/26,942,866.80 = 15,836,147.20/x
  3. Step 3: Cross multiply
    17,961,911.20x = 26,942,866.80 × 15,836,147.20
  4. Step 4: Simplify right side
    17,961,911.20x = 426,671,204,634,792.94
  5. Step 5: Solve for x
    x = 426,671,204,634,792.94/17,961,911.20
  6. Step 6: Final answer
    x = 23,754,220.80

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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.