Finding the Fourth Proportional to 8,753,577.68, 12,081,952.72 and 5,133,072.08
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Solution
The fourth proportional to 8,753,577.68, 12,081,952.72 and 5,133,072.08 is: 7,084,821.37
Step by Step Solution
- Step 1: Write the proportion equation
8,753,577.68 : 12,081,952.72 = 5,133,072.08 : x - Step 2: Convert to fraction form
8,753,577.68/12,081,952.72 = 5,133,072.08/x - Step 3: Cross multiply
8,753,577.68x = 12,081,952.72 × 5,133,072.08 - Step 4: Simplify right side
8,753,577.68x = 62,017,534,178,912.06 - Step 5: Solve for x
x = 62,017,534,178,912.06/8,753,577.68 - Step 6: Final answer
x = 7,084,821.37
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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.