Home / 5,678,745.60-8,518,118.40-5,268,172.80

Finding the Fourth Proportional to 5,678,745.60, 8,518,118.40 and 5,268,172.80

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Solution

The fourth proportional to 5,678,745.60, 8,518,118.40 and 5,268,172.80 is: 7,902,259.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678,745.60 : 8,518,118.40 = 5,268,172.80 : x
  2. Step 2: Convert to fraction form
    5,678,745.60/8,518,118.40 = 5,268,172.80/x
  3. Step 3: Cross multiply
    5,678,745.60x = 8,518,118.40 × 5,268,172.80
  4. Step 4: Simplify right side
    5,678,745.60x = 44,874,919,662,059.52
  5. Step 5: Solve for x
    x = 44,874,919,662,059.52/5,678,745.60
  6. Step 6: Final answer
    x = 7,902,259.20

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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.