Finding the Fourth Proportional to 22,639,236.99, 31,261,569.08 and 21,907,148.73
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Solution
The fourth proportional to 22,639,236.99, 31,261,569.08 and 21,907,148.73 is: 30,250,659.22
Step by Step Solution
- Step 1: Write the proportion equation
22,639,236.99 : 31,261,569.08 = 21,907,148.73 : x - Step 2: Convert to fraction form
22,639,236.99/31,261,569.08 = 21,907,148.73/x - Step 3: Cross multiply
22,639,236.99x = 31,261,569.08 × 21,907,148.73 - Step 4: Simplify right side
22,639,236.99x = 684,851,843,259,193.50 - Step 5: Solve for x
x = 684,851,843,259,193.50/22,639,236.99 - Step 6: Final answer
x = 30,250,659.22
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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.