Finding the Fourth Proportional to 28,906,964.63, 39,887,933.63 and 16,517,861.13
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Solution
The fourth proportional to 28,906,964.63, 39,887,933.63 and 16,517,861.13 is: 22,792,546.95
Step by Step Solution
- Step 1: Write the proportion equation
28,906,964.63 : 39,887,933.63 = 16,517,861.13 : x - Step 2: Convert to fraction form
28,906,964.63/39,887,933.63 = 16,517,861.13/x - Step 3: Cross multiply
28,906,964.63x = 39,887,933.63 × 16,517,861.13 - Step 4: Simplify right side
28,906,964.63x = 658,863,348,462,996.88 - Step 5: Solve for x
x = 658,863,348,462,996.88/28,906,964.63 - Step 6: Final answer
x = 22,792,546.95
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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.