Home / 28,388,050.56-42,582,076.68-8,959,245.60

Finding the Fourth Proportional to 28,388,050.56, 42,582,076.68 and 8,959,245.60

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Solution

The fourth proportional to 28,388,050.56, 42,582,076.68 and 8,959,245.60 is: 13,438,868.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,388,050.56 : 42,582,076.68 = 8,959,245.60 : x
  2. Step 2: Convert to fraction form
    28,388,050.56/42,582,076.68 = 8,959,245.60/x
  3. Step 3: Cross multiply
    28,388,050.56x = 42,582,076.68 × 8,959,245.60
  4. Step 4: Simplify right side
    28,388,050.56x = 381,503,283,134,152.56
  5. Step 5: Solve for x
    x = 381,503,283,134,152.56/28,388,050.56
  6. Step 6: Final answer
    x = 13,438,868.67

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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.