Finding the Fourth Proportional to 33,349,821.20, 46,012,266.15 and 18,663,153.92
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Solution
The fourth proportional to 33,349,821.20, 46,012,266.15 and 18,663,153.92 is: 25,749,283.64
Step by Step Solution
- Step 1: Write the proportion equation
33,349,821.20 : 46,012,266.15 = 18,663,153.92 : x - Step 2: Convert to fraction form
33,349,821.20/46,012,266.15 = 18,663,153.92/x - Step 3: Cross multiply
33,349,821.20x = 46,012,266.15 × 18,663,153.92 - Step 4: Simplify right side
33,349,821.20x = 858,734,005,480,486.38 - Step 5: Solve for x
x = 858,734,005,480,486.38/33,349,821.20 - Step 6: Final answer
x = 25,749,283.64
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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.