Home / 28,128,467.70-42,194,334.42-10,856,764.56

Finding the Fourth Proportional to 28,128,467.70, 42,194,334.42 and 10,856,764.56

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Solution

The fourth proportional to 28,128,467.70, 42,194,334.42 and 10,856,764.56 is: 16,285,777.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,128,467.70 : 42,194,334.42 = 10,856,764.56 : x
  2. Step 2: Convert to fraction form
    28,128,467.70/42,194,334.42 = 10,856,764.56/x
  3. Step 3: Cross multiply
    28,128,467.70x = 42,194,334.42 × 10,856,764.56
  4. Step 4: Simplify right side
    28,128,467.70x = 458,093,954,563,844.19
  5. Step 5: Solve for x
    x = 458,093,954,563,844.19/28,128,467.70
  6. Step 6: Final answer
    x = 16,285,777.08

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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.