Home / 20,463,007.70-30,694,511.55-14,005,999.55

Finding the Fourth Proportional to 20,463,007.70, 30,694,511.55 and 14,005,999.55

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Solution

The fourth proportional to 20,463,007.70, 30,694,511.55 and 14,005,999.55 is: 21,008,999.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,463,007.70 : 30,694,511.55 = 14,005,999.55 : x
  2. Step 2: Convert to fraction form
    20,463,007.70/30,694,511.55 = 14,005,999.55/x
  3. Step 3: Cross multiply
    20,463,007.70x = 30,694,511.55 × 14,005,999.55
  4. Step 4: Simplify right side
    20,463,007.70x = 429,907,314,956,769.81
  5. Step 5: Solve for x
    x = 429,907,314,956,769.81/20,463,007.70
  6. Step 6: Final answer
    x = 21,008,999.33

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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.