Finding the Fourth Proportional to 19,542,845.60, 29,295,205.61 and 9,304,954.58
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Solution
The fourth proportional to 19,542,845.60, 29,295,205.61 and 9,304,954.58 is: 13,948,355.49
Step by Step Solution
- Step 1: Write the proportion equation
19,542,845.60 : 29,295,205.61 = 9,304,954.58 : x - Step 2: Convert to fraction form
19,542,845.60/29,295,205.61 = 9,304,954.58/x - Step 3: Cross multiply
19,542,845.60x = 29,295,205.61 × 9,304,954.58 - Step 4: Simplify right side
19,542,845.60x = 272,590,557,589,548.81 - Step 5: Solve for x
x = 272,590,557,589,548.81/19,542,845.60 - Step 6: Final answer
x = 13,948,355.49
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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.