Home / 28,136,041.20-42,193,564.20-11,093,187.60

Finding the Fourth Proportional to 28,136,041.20, 42,193,564.20 and 11,093,187.60

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Solution

The fourth proportional to 28,136,041.20, 42,193,564.20 and 11,093,187.60 is: 16,635,642.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,136,041.20 : 42,193,564.20 = 11,093,187.60 : x
  2. Step 2: Convert to fraction form
    28,136,041.20/42,193,564.20 = 11,093,187.60/x
  3. Step 3: Cross multiply
    28,136,041.20x = 42,193,564.20 × 11,093,187.60
  4. Step 4: Simplify right side
    28,136,041.20x = 468,061,123,183,243.94
  5. Step 5: Solve for x
    x = 468,061,123,183,243.94/28,136,041.20
  6. Step 6: Final answer
    x = 16,635,642.51

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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.