Finding the Fourth Proportional to 19,974,719.67, 27,557,270.16 and 11,600,663.92
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Solution
The fourth proportional to 19,974,719.67, 27,557,270.16 and 11,600,663.92 is: 16,004,361.26
Step by Step Solution
- Step 1: Write the proportion equation
19,974,719.67 : 27,557,270.16 = 11,600,663.92 : x - Step 2: Convert to fraction form
19,974,719.67/27,557,270.16 = 11,600,663.92/x - Step 3: Cross multiply
19,974,719.67x = 27,557,270.16 × 11,600,663.92 - Step 4: Simplify right side
19,974,719.67x = 319,682,629,631,674.31 - Step 5: Solve for x
x = 319,682,629,631,674.31/19,974,719.67 - Step 6: Final answer
x = 16,004,361.26
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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.