Home / 30,340,079.73-41,880,696.06-19,886,769.70

Finding the Fourth Proportional to 30,340,079.73, 41,880,696.06 and 19,886,769.70

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Solution

The fourth proportional to 30,340,079.73, 41,880,696.06 and 19,886,769.70 is: 27,451,205.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,340,079.73 : 41,880,696.06 = 19,886,769.70 : x
  2. Step 2: Convert to fraction form
    30,340,079.73/41,880,696.06 = 19,886,769.70/x
  3. Step 3: Cross multiply
    30,340,079.73x = 41,880,696.06 × 19,886,769.70
  4. Step 4: Simplify right side
    30,340,079.73x = 832,871,757,626,369.88
  5. Step 5: Solve for x
    x = 832,871,757,626,369.88/30,340,079.73
  6. Step 6: Final answer
    x = 27,451,205.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.