Home / 5,500,007.20-8,256,231.60-4,243,405.60

Finding the Fourth Proportional to 5,500,007.20, 8,256,231.60 and 4,243,405.60

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Solution

The fourth proportional to 5,500,007.20, 8,256,231.60 and 4,243,405.60 is: 6,369,907.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500,007.20 : 8,256,231.60 = 4,243,405.60 : x
  2. Step 2: Convert to fraction form
    5,500,007.20/8,256,231.60 = 4,243,405.60/x
  3. Step 3: Cross multiply
    5,500,007.20x = 8,256,231.60 × 4,243,405.60
  4. Step 4: Simplify right side
    5,500,007.20x = 35,034,539,406,336.96
  5. Step 5: Solve for x
    x = 35,034,539,406,336.96/5,500,007.20
  6. Step 6: Final answer
    x = 6,369,907.92

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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.