Finding the Fourth Proportional to 25,677,006.71, 35,374,716.24 and 17,929,777.91
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Solution
The fourth proportional to 25,677,006.71, 35,374,716.24 and 17,929,777.91 is: 24,701,508.75
Step by Step Solution
- Step 1: Write the proportion equation
25,677,006.71 : 35,374,716.24 = 17,929,777.91 : x - Step 2: Convert to fraction form
25,677,006.71/35,374,716.24 = 17,929,777.91/x - Step 3: Cross multiply
25,677,006.71x = 35,374,716.24 × 17,929,777.91 - Step 4: Simplify right side
25,677,006.71x = 634,260,805,812,470.25 - Step 5: Solve for x
x = 634,260,805,812,470.25/25,677,006.71 - Step 6: Final answer
x = 24,701,508.75
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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.