Finding the Fourth Proportional to 17,790,138.72, 26,691,850.08 and 7,014,951.36
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Solution
The fourth proportional to 17,790,138.72, 26,691,850.08 and 7,014,951.36 is: 10,525,046.09
Step by Step Solution
- Step 1: Write the proportion equation
17,790,138.72 : 26,691,850.08 = 7,014,951.36 : x - Step 2: Convert to fraction form
17,790,138.72/26,691,850.08 = 7,014,951.36/x - Step 3: Cross multiply
17,790,138.72x = 26,691,850.08 × 7,014,951.36 - Step 4: Simplify right side
17,790,138.72x = 187,242,030,019,612.09 - Step 5: Solve for x
x = 187,242,030,019,612.09/17,790,138.72 - Step 6: Final answer
x = 10,525,046.09
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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.