Home / 28,416,121.20-42,624,181.80-25,131,538.80

Finding the Fourth Proportional to 28,416,121.20, 42,624,181.80 and 25,131,538.80

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Solution

The fourth proportional to 28,416,121.20, 42,624,181.80 and 25,131,538.80 is: 37,697,308.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,416,121.20 : 42,624,181.80 = 25,131,538.80 : x
  2. Step 2: Convert to fraction form
    28,416,121.20/42,624,181.80 = 25,131,538.80/x
  3. Step 3: Cross multiply
    28,416,121.20x = 42,624,181.80 × 25,131,538.80
  4. Step 4: Simplify right side
    28,416,121.20x = 1,071,211,278,724,953.75
  5. Step 5: Solve for x
    x = 1,071,211,278,724,953.75/28,416,121.20
  6. Step 6: Final answer
    x = 37,697,308.20

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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.