Finding the Fourth Proportional to 18,755,969.28, 28,133,646.84 and 5,976,301.20
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Solution
The fourth proportional to 18,755,969.28, 28,133,646.84 and 5,976,301.20 is: 8,964,353.95
Step by Step Solution
- Step 1: Write the proportion equation
18,755,969.28 : 28,133,646.84 = 5,976,301.20 : x - Step 2: Convert to fraction form
18,755,969.28/28,133,646.84 = 5,976,301.20/x - Step 3: Cross multiply
18,755,969.28x = 28,133,646.84 × 5,976,301.20 - Step 4: Simplify right side
18,755,969.28x = 168,135,147,370,268.22 - Step 5: Solve for x
x = 168,135,147,370,268.22/18,755,969.28 - Step 6: Final answer
x = 8,964,353.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.