Finding the Fourth Proportional to 14,379,149.74, 19,843,361.80 and 8,183,892.69
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Solution
The fourth proportional to 14,379,149.74, 19,843,361.80 and 8,183,892.69 is: 11,293,848.84
Step by Step Solution
- Step 1: Write the proportion equation
14,379,149.74 : 19,843,361.80 = 8,183,892.69 : x - Step 2: Convert to fraction form
14,379,149.74/19,843,361.80 = 8,183,892.69/x - Step 3: Cross multiply
14,379,149.74x = 19,843,361.80 × 8,183,892.69 - Step 4: Simplify right side
14,379,149.74x = 162,395,943,580,045.25 - Step 5: Solve for x
x = 162,395,943,580,045.25/14,379,149.74 - Step 6: Final answer
x = 11,293,848.84
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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.