Home / 19,305,924.56-28,958,861.40-4,928,994.80

Finding the Fourth Proportional to 19,305,924.56, 28,958,861.40 and 4,928,994.80

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Solution

The fourth proportional to 19,305,924.56, 28,958,861.40 and 4,928,994.80 is: 7,393,485.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,305,924.56 : 28,958,861.40 = 4,928,994.80 : x
  2. Step 2: Convert to fraction form
    19,305,924.56/28,958,861.40 = 4,928,994.80/x
  3. Step 3: Cross multiply
    19,305,924.56x = 28,958,861.40 × 4,928,994.80
  4. Step 4: Simplify right side
    19,305,924.56x = 142,738,077,254,520.72
  5. Step 5: Solve for x
    x = 142,738,077,254,520.72/19,305,924.56
  6. Step 6: Final answer
    x = 7,393,485.70

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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.