Home / 10,961,829.20-16,442,743.80-5,282,627.60

Finding the Fourth Proportional to 10,961,829.20, 16,442,743.80 and 5,282,627.60

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Solution

The fourth proportional to 10,961,829.20, 16,442,743.80 and 5,282,627.60 is: 7,923,941.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961,829.20 : 16,442,743.80 = 5,282,627.60 : x
  2. Step 2: Convert to fraction form
    10,961,829.20/16,442,743.80 = 5,282,627.60/x
  3. Step 3: Cross multiply
    10,961,829.20x = 16,442,743.80 × 5,282,627.60
  4. Step 4: Simplify right side
    10,961,829.20x = 86,860,892,217,608.88
  5. Step 5: Solve for x
    x = 86,860,892,217,608.88/10,961,829.20
  6. Step 6: Final answer
    x = 7,923,941.40

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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.