Home / 28,202,237.70-42,303,356.55-8,004,855.30

Finding the Fourth Proportional to 28,202,237.70, 42,303,356.55 and 8,004,855.30

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Solution

The fourth proportional to 28,202,237.70, 42,303,356.55 and 8,004,855.30 is: 12,007,282.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,202,237.70 : 42,303,356.55 = 8,004,855.30 : x
  2. Step 2: Convert to fraction form
    28,202,237.70/42,303,356.55 = 8,004,855.30/x
  3. Step 3: Cross multiply
    28,202,237.70x = 42,303,356.55 × 8,004,855.30
  4. Step 4: Simplify right side
    28,202,237.70x = 338,632,247,887,057.19
  5. Step 5: Solve for x
    x = 338,632,247,887,057.19/28,202,237.70
  6. Step 6: Final answer
    x = 12,007,282.95

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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.