Finding the Fourth Proportional to 37,643,728.39, 51,919,058.63 and 27,228,813.39
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Solution
The fourth proportional to 37,643,728.39, 51,919,058.63 and 27,228,813.39 is: 37,554,578.66
Step by Step Solution
- Step 1: Write the proportion equation
37,643,728.39 : 51,919,058.63 = 27,228,813.39 : x - Step 2: Convert to fraction form
37,643,728.39/51,919,058.63 = 27,228,813.39/x - Step 3: Cross multiply
37,643,728.39x = 51,919,058.63 × 27,228,813.39 - Step 4: Simplify right side
37,643,728.39x = 1,413,694,358,888,811.25 - Step 5: Solve for x
x = 1,413,694,358,888,811.25/37,643,728.39 - Step 6: Final answer
x = 37,554,578.66
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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.