Home / 20,636,553.60-30,954,830.40-11,678,601.60

Finding the Fourth Proportional to 20,636,553.60, 30,954,830.40 and 11,678,601.60

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Solution

The fourth proportional to 20,636,553.60, 30,954,830.40 and 11,678,601.60 is: 17,517,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,636,553.60 : 30,954,830.40 = 11,678,601.60 : x
  2. Step 2: Convert to fraction form
    20,636,553.60/30,954,830.40 = 11,678,601.60/x
  3. Step 3: Cross multiply
    20,636,553.60x = 30,954,830.40 × 11,678,601.60
  4. Step 4: Simplify right side
    20,636,553.60x = 361,509,131,837,168.62
  5. Step 5: Solve for x
    x = 361,509,131,837,168.62/20,636,553.60
  6. Step 6: Final answer
    x = 17,517,902.40

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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.