Finding the Fourth Proportional to 18,018,333.37, 27,032,107.12 and 5,238,838.08
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Solution
The fourth proportional to 18,018,333.37, 27,032,107.12 and 5,238,838.08 is: 7,859,596.63
Step by Step Solution
- Step 1: Write the proportion equation
18,018,333.37 : 27,032,107.12 = 5,238,838.08 : x - Step 2: Convert to fraction form
18,018,333.37/27,032,107.12 = 5,238,838.08/x - Step 3: Cross multiply
18,018,333.37x = 27,032,107.12 × 5,238,838.08 - Step 4: Simplify right side
18,018,333.37x = 141,616,832,162,895.12 - Step 5: Solve for x
x = 141,616,832,162,895.12/18,018,333.37 - Step 6: Final answer
x = 7,859,596.63
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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.