Finding the Fourth Proportional to 30,720,455.48, 46,082,454.69 and 11,551,378.61
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Solution
The fourth proportional to 30,720,455.48, 46,082,454.69 and 11,551,378.61 is: 17,327,734.02
Step by Step Solution
- Step 1: Write the proportion equation
30,720,455.48 : 46,082,454.69 = 11,551,378.61 : x - Step 2: Convert to fraction form
30,720,455.48/46,082,454.69 = 11,551,378.61/x - Step 3: Cross multiply
30,720,455.48x = 46,082,454.69 × 11,551,378.61 - Step 4: Simplify right side
30,720,455.48x = 532,315,881,560,884.06 - Step 5: Solve for x
x = 532,315,881,560,884.06/30,720,455.48 - Step 6: Final answer
x = 17,327,734.02
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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.