Home / 7,867,889.80-11,788,787.80-4,784,553.80

Finding the Fourth Proportional to 7,867,889.80, 11,788,787.80 and 4,784,553.80

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Solution

The fourth proportional to 7,867,889.80, 11,788,787.80 and 4,784,553.80 is: 7,168,896.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867,889.80 : 11,788,787.80 = 4,784,553.80 : x
  2. Step 2: Convert to fraction form
    7,867,889.80/11,788,787.80 = 4,784,553.80/x
  3. Step 3: Cross multiply
    7,867,889.80x = 11,788,787.80 × 4,784,553.80
  4. Step 4: Simplify right side
    7,867,889.80x = 56,404,089,465,883.64
  5. Step 5: Solve for x
    x = 56,404,089,465,883.64/7,867,889.80
  6. Step 6: Final answer
    x = 7,168,896.73

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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.