Finding the Fourth Proportional to 8,692,998.57, 11,997,585.54 and 5,208,474.96
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Solution
The fourth proportional to 8,692,998.57, 11,997,585.54 and 5,208,474.96 is: 7,188,442.90
Step by Step Solution
- Step 1: Write the proportion equation
8,692,998.57 : 11,997,585.54 = 5,208,474.96 : x - Step 2: Convert to fraction form
8,692,998.57/11,997,585.54 = 5,208,474.96/x - Step 3: Cross multiply
8,692,998.57x = 11,997,585.54 × 5,208,474.96 - Step 4: Simplify right side
8,692,998.57x = 62,489,123,865,548.07 - Step 5: Solve for x
x = 62,489,123,865,548.07/8,692,998.57 - Step 6: Final answer
x = 7,188,442.90
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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.