Finding the Fourth Proportional to 33,833,296.16, 46,689,983.26 and 18,363,383.99
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Solution
The fourth proportional to 33,833,296.16, 46,689,983.26 and 18,363,383.99 is: 25,341,488.66
Step by Step Solution
- Step 1: Write the proportion equation
33,833,296.16 : 46,689,983.26 = 18,363,383.99 : x - Step 2: Convert to fraction form
33,833,296.16/46,689,983.26 = 18,363,383.99/x - Step 3: Cross multiply
33,833,296.16x = 46,689,983.26 × 18,363,383.99 - Step 4: Simplify right side
33,833,296.16x = 857,386,090,998,235 - Step 5: Solve for x
x = 857,386,090,998,235/33,833,296.16 - Step 6: Final answer
x = 25,341,488.66
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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.