Home / 8,048,497.20-12,072,745.80-2,657,979.60

Finding the Fourth Proportional to 8,048,497.20, 12,072,745.80 and 2,657,979.60

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Solution

The fourth proportional to 8,048,497.20, 12,072,745.80 and 2,657,979.60 is: 3,986,969.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,048,497.20 : 12,072,745.80 = 2,657,979.60 : x
  2. Step 2: Convert to fraction form
    8,048,497.20/12,072,745.80 = 2,657,979.60/x
  3. Step 3: Cross multiply
    8,048,497.20x = 12,072,745.80 × 2,657,979.60
  4. Step 4: Simplify right side
    8,048,497.20x = 32,089,112,052,385.68
  5. Step 5: Solve for x
    x = 32,089,112,052,385.68/8,048,497.20
  6. Step 6: Final answer
    x = 3,986,969.40

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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.