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Finding the Fourth Proportional to 22,019,915.70, 33,029,873.55 and 9,895,187.70

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Solution

The fourth proportional to 22,019,915.70, 33,029,873.55 and 9,895,187.70 is: 14,842,781.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,019,915.70 : 33,029,873.55 = 9,895,187.70 : x
  2. Step 2: Convert to fraction form
    22,019,915.70/33,029,873.55 = 9,895,187.70/x
  3. Step 3: Cross multiply
    22,019,915.70x = 33,029,873.55 × 9,895,187.70
  4. Step 4: Simplify right side
    22,019,915.70x = 326,836,798,484,515.31
  5. Step 5: Solve for x
    x = 326,836,798,484,515.31/22,019,915.70
  6. Step 6: Final answer
    x = 14,842,781.55

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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.