Finding the Fourth Proportional to 19,561,937.32, 29,304,734.46 and 12,809,881
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Solution
The fourth proportional to 19,561,937.32, 29,304,734.46 and 12,809,881 is: 19,189,825.38
Step by Step Solution
- Step 1: Write the proportion equation
19,561,937.32 : 29,304,734.46 = 12,809,881 : x - Step 2: Convert to fraction form
19,561,937.32/29,304,734.46 = 12,809,881/x - Step 3: Cross multiply
19,561,937.32x = 29,304,734.46 × 12,809,881 - Step 4: Simplify right side
19,561,937.32x = 375,390,161,169,199.25 - Step 5: Solve for x
x = 375,390,161,169,199.25/19,561,937.32 - Step 6: Final answer
x = 19,189,825.38
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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.