Home / 28,630,120.80-42,945,181.20-25,494,837.60

Finding the Fourth Proportional to 28,630,120.80, 42,945,181.20 and 25,494,837.60

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Solution

The fourth proportional to 28,630,120.80, 42,945,181.20 and 25,494,837.60 is: 38,242,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,630,120.80 : 42,945,181.20 = 25,494,837.60 : x
  2. Step 2: Convert to fraction form
    28,630,120.80/42,945,181.20 = 25,494,837.60/x
  3. Step 3: Cross multiply
    28,630,120.80x = 42,945,181.20 × 25,494,837.60
  4. Step 4: Simplify right side
    28,630,120.80x = 1,094,880,420,396,573.25
  5. Step 5: Solve for x
    x = 1,094,880,420,396,573.25/28,630,120.80
  6. Step 6: Final answer
    x = 38,242,256.40

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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.