Finding the Fourth Proportional to 19,625,383.49, 27,078,396.39 and 16,497,539.12
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Solution
The fourth proportional to 19,625,383.49, 27,078,396.39 and 16,497,539.12 is: 22,762,709.54
Step by Step Solution
- Step 1: Write the proportion equation
19,625,383.49 : 27,078,396.39 = 16,497,539.12 : x - Step 2: Convert to fraction form
19,625,383.49/27,078,396.39 = 16,497,539.12/x - Step 3: Cross multiply
19,625,383.49x = 27,078,396.39 × 16,497,539.12 - Step 4: Simplify right side
19,625,383.49x = 446,726,903,818,587.81 - Step 5: Solve for x
x = 446,726,903,818,587.81/19,625,383.49 - Step 6: Final answer
x = 22,762,709.54
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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.