Home / 28,202,139.70-42,303,209.55-8,004,757.30

Finding the Fourth Proportional to 28,202,139.70, 42,303,209.55 and 8,004,757.30

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Solution

The fourth proportional to 28,202,139.70, 42,303,209.55 and 8,004,757.30 is: 12,007,135.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,202,139.70 : 42,303,209.55 = 8,004,757.30 : x
  2. Step 2: Convert to fraction form
    28,202,139.70/42,303,209.55 = 8,004,757.30/x
  3. Step 3: Cross multiply
    28,202,139.70x = 42,303,209.55 × 8,004,757.30
  4. Step 4: Simplify right side
    28,202,139.70x = 338,626,925,458,792.19
  5. Step 5: Solve for x
    x = 338,626,925,458,792.19/28,202,139.70
  6. Step 6: Final answer
    x = 12,007,135.95

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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.