Finding the Fourth Proportional to 19,706,257.10, 27,207,430.94 and 17,637,690.44
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Solution
The fourth proportional to 19,706,257.10, 27,207,430.94 and 17,637,690.44 is: 24,351,465.74
Step by Step Solution
- Step 1: Write the proportion equation
19,706,257.10 : 27,207,430.94 = 17,637,690.44 : x - Step 2: Convert to fraction form
19,706,257.10/27,207,430.94 = 17,637,690.44/x - Step 3: Cross multiply
19,706,257.10x = 27,207,430.94 × 17,637,690.44 - Step 4: Simplify right side
19,706,257.10x = 479,876,244,587,398.25 - Step 5: Solve for x
x = 479,876,244,587,398.25/19,706,257.10 - Step 6: Final answer
x = 24,351,465.74
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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.