Home / 28,586,860.83-42,882,157.49-20,933,410.59

Finding the Fourth Proportional to 28,586,860.83, 42,882,157.49 and 20,933,410.59

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Solution

The fourth proportional to 28,586,860.83, 42,882,157.49 and 20,933,410.59 is: 31,401,482.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,586,860.83 : 42,882,157.49 = 20,933,410.59 : x
  2. Step 2: Convert to fraction form
    28,586,860.83/42,882,157.49 = 20,933,410.59/x
  3. Step 3: Cross multiply
    28,586,860.83x = 42,882,157.49 × 20,933,410.59
  4. Step 4: Simplify right side
    28,586,860.83x = 897,669,809,618,546.75
  5. Step 5: Solve for x
    x = 897,669,809,618,546.75/28,586,860.83
  6. Step 6: Final answer
    x = 31,401,482.48

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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.