Home / 28,202,119.20-42,303,178.80-8,004,736.80

Finding the Fourth Proportional to 28,202,119.20, 42,303,178.80 and 8,004,736.80

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Solution

The fourth proportional to 28,202,119.20, 42,303,178.80 and 8,004,736.80 is: 12,007,105.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,202,119.20 : 42,303,178.80 = 8,004,736.80 : x
  2. Step 2: Convert to fraction form
    28,202,119.20/42,303,178.80 = 8,004,736.80/x
  3. Step 3: Cross multiply
    28,202,119.20x = 42,303,178.80 × 8,004,736.80
  4. Step 4: Simplify right side
    28,202,119.20x = 338,625,812,097,339.81
  5. Step 5: Solve for x
    x = 338,625,812,097,339.81/28,202,119.20
  6. Step 6: Final answer
    x = 12,007,105.20

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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.