Home / 22,018,033.50-30,383,108.40-12,726,205.50

Finding the Fourth Proportional to 22,018,033.50, 30,383,108.40 and 12,726,205.50

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Solution

The fourth proportional to 22,018,033.50, 30,383,108.40 and 12,726,205.50 is: 17,561,136.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,018,033.50 : 30,383,108.40 = 12,726,205.50 : x
  2. Step 2: Convert to fraction form
    22,018,033.50/30,383,108.40 = 12,726,205.50/x
  3. Step 3: Cross multiply
    22,018,033.50x = 30,383,108.40 × 12,726,205.50
  4. Step 4: Simplify right side
    22,018,033.50x = 386,661,681,179,961.88
  5. Step 5: Solve for x
    x = 386,661,681,179,961.88/22,018,033.50
  6. Step 6: Final answer
    x = 17,561,136.02

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1.5x scale

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.