Finding the Fourth Proportional to 11,788,345.44, 16,270,145.28 and 7,380,121.68
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Solution
The fourth proportional to 11,788,345.44, 16,270,145.28 and 7,380,121.68 is: 10,185,963.12
Step by Step Solution
- Step 1: Write the proportion equation
11,788,345.44 : 16,270,145.28 = 7,380,121.68 : x - Step 2: Convert to fraction form
11,788,345.44/16,270,145.28 = 7,380,121.68/x - Step 3: Cross multiply
11,788,345.44x = 16,270,145.28 × 7,380,121.68 - Step 4: Simplify right side
11,788,345.44x = 120,075,651,917,677.66 - Step 5: Solve for x
x = 120,075,651,917,677.66/11,788,345.44 - Step 6: Final answer
x = 10,185,963.12
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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.