Finding the Fourth Proportional to 19,696,386.62, 27,120,843.47 and 17,848,824.74
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Solution
The fourth proportional to 19,696,386.62, 27,120,843.47 and 17,848,824.74 is: 24,576,852.15
Step by Step Solution
- Step 1: Write the proportion equation
19,696,386.62 : 27,120,843.47 = 17,848,824.74 : x - Step 2: Convert to fraction form
19,696,386.62/27,120,843.47 = 17,848,824.74/x - Step 3: Cross multiply
19,696,386.62x = 27,120,843.47 × 17,848,824.74 - Step 4: Simplify right side
19,696,386.62x = 484,075,181,897,003.38 - Step 5: Solve for x
x = 484,075,181,897,003.38/19,696,386.62 - Step 6: Final answer
x = 24,576,852.15
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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.