Finding the Fourth Proportional to 18,410,585.54, 27,616,985.49 and 5,631,200.96
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Solution
The fourth proportional to 18,410,585.54, 27,616,985.49 and 5,631,200.96 is: 8,447,140.09
Step by Step Solution
- Step 1: Write the proportion equation
18,410,585.54 : 27,616,985.49 = 5,631,200.96 : x - Step 2: Convert to fraction form
18,410,585.54/27,616,985.49 = 5,631,200.96/x - Step 3: Cross multiply
18,410,585.54x = 27,616,985.49 × 5,631,200.96 - Step 4: Simplify right side
18,410,585.54x = 155,516,795,203,594.06 - Step 5: Solve for x
x = 155,516,795,203,594.06/18,410,585.54 - Step 6: Final answer
x = 8,447,140.09
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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.