Finding the Fourth Proportional to 55,606,722.20, 83,410,083.30 and 19,203,013.70
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Solution
The fourth proportional to 55,606,722.20, 83,410,083.30 and 19,203,013.70 is: 28,804,520.55
Step by Step Solution
- Step 1: Write the proportion equation
55,606,722.20 : 83,410,083.30 = 19,203,013.70 : x - Step 2: Convert to fraction form
55,606,722.20/83,410,083.30 = 19,203,013.70/x - Step 3: Cross multiply
55,606,722.20x = 83,410,083.30 × 19,203,013.70 - Step 4: Simplify right side
55,606,722.20x = 1,601,724,972,328,041 - Step 5: Solve for x
x = 1,601,724,972,328,041/55,606,722.20 - Step 6: Final answer
x = 28,804,520.55
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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.