Home / 19,179,137.62-28,780,056.40-7,057,113.60

Finding the Fourth Proportional to 19,179,137.62, 28,780,056.40 and 7,057,113.60

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Solution

The fourth proportional to 19,179,137.62, 28,780,056.40 and 7,057,113.60 is: 10,589,846.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,179,137.62 : 28,780,056.40 = 7,057,113.60 : x
  2. Step 2: Convert to fraction form
    19,179,137.62/28,780,056.40 = 7,057,113.60/x
  3. Step 3: Cross multiply
    19,179,137.62x = 28,780,056.40 × 7,057,113.60
  4. Step 4: Simplify right side
    19,179,137.62x = 203,104,127,429,207.03
  5. Step 5: Solve for x
    x = 203,104,127,429,207.03/19,179,137.62
  6. Step 6: Final answer
    x = 10,589,846.71

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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.