Finding the Fourth Proportional to 19,542,169.34, 29,283,361.49 and 10,445,561.54
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Solution
The fourth proportional to 19,542,169.34, 29,283,361.49 and 10,445,561.54 is: 15,652,364.34
Step by Step Solution
- Step 1: Write the proportion equation
19,542,169.34 : 29,283,361.49 = 10,445,561.54 : x - Step 2: Convert to fraction form
19,542,169.34/29,283,361.49 = 10,445,561.54/x - Step 3: Cross multiply
19,542,169.34x = 29,283,361.49 × 10,445,561.54 - Step 4: Simplify right side
19,542,169.34x = 305,881,154,421,558.19 - Step 5: Solve for x
x = 305,881,154,421,558.19/19,542,169.34 - Step 6: Final answer
x = 15,652,364.34
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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.