Finding the Fourth Proportional to 11,174,824.14, 15,421,176.41 and 6,279,940.82
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Solution
The fourth proportional to 11,174,824.14, 15,421,176.41 and 6,279,940.82 is: 8,666,272.86
Step by Step Solution
- Step 1: Write the proportion equation
11,174,824.14 : 15,421,176.41 = 6,279,940.82 : x - Step 2: Convert to fraction form
11,174,824.14/15,421,176.41 = 6,279,940.82/x - Step 3: Cross multiply
11,174,824.14x = 15,421,176.41 × 6,279,940.82 - Step 4: Simplify right side
11,174,824.14x = 96,844,075,121,074.47 - Step 5: Solve for x
x = 96,844,075,121,074.47/11,174,824.14 - Step 6: Final answer
x = 8,666,272.86
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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.