Home / 22,085,999.80-33,128,999.70-12,520,061.80

Finding the Fourth Proportional to 22,085,999.80, 33,128,999.70 and 12,520,061.80

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Solution

The fourth proportional to 22,085,999.80, 33,128,999.70 and 12,520,061.80 is: 18,780,092.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,085,999.80 : 33,128,999.70 = 12,520,061.80 : x
  2. Step 2: Convert to fraction form
    22,085,999.80/33,128,999.70 = 12,520,061.80/x
  3. Step 3: Cross multiply
    22,085,999.80x = 33,128,999.70 × 12,520,061.80
  4. Step 4: Simplify right side
    22,085,999.80x = 414,777,123,616,181.50
  5. Step 5: Solve for x
    x = 414,777,123,616,181.50/22,085,999.80
  6. Step 6: Final answer
    x = 18,780,092.70

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1.5x scale

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.