Finding the Fourth Proportional to 11,605,490.97, 16,010,610.70 and 7,247,010.47
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Solution
The fourth proportional to 11,605,490.97, 16,010,610.70 and 7,247,010.47 is: 9,997,772.92
Step by Step Solution
- Step 1: Write the proportion equation
11,605,490.97 : 16,010,610.70 = 7,247,010.47 : x - Step 2: Convert to fraction form
11,605,490.97/16,010,610.70 = 7,247,010.47/x - Step 3: Cross multiply
11,605,490.97x = 16,010,610.70 × 7,247,010.47 - Step 4: Simplify right side
11,605,490.97x = 116,029,063,373,994.02 - Step 5: Solve for x
x = 116,029,063,373,994.02/11,605,490.97 - Step 6: Final answer
x = 9,997,772.92
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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.