Finding the Fourth Proportional to 21,075,997.22, 29,084,497.04 and 11,908,443.14
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Solution
The fourth proportional to 21,075,997.22, 29,084,497.04 and 11,908,443.14 is: 16,433,437.32
Step by Step Solution
- Step 1: Write the proportion equation
21,075,997.22 : 29,084,497.04 = 11,908,443.14 : x - Step 2: Convert to fraction form
21,075,997.22/29,084,497.04 = 11,908,443.14/x - Step 3: Cross multiply
21,075,997.22x = 29,084,497.04 × 11,908,443.14 - Step 4: Simplify right side
21,075,997.22x = 346,351,079,196,796.12 - Step 5: Solve for x
x = 346,351,079,196,796.12/21,075,997.22 - Step 6: Final answer
x = 16,433,437.32
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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.