Finding the Fourth Proportional to 18,053,938.62, 24,907,896.95 and 11,862,320.09
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Solution
The fourth proportional to 18,053,938.62, 24,907,896.95 and 11,862,320.09 is: 16,365,705.70
Step by Step Solution
- Step 1: Write the proportion equation
18,053,938.62 : 24,907,896.95 = 11,862,320.09 : x - Step 2: Convert to fraction form
18,053,938.62/24,907,896.95 = 11,862,320.09/x - Step 3: Cross multiply
18,053,938.62x = 24,907,896.95 × 11,862,320.09 - Step 4: Simplify right side
18,053,938.62x = 295,465,446,205,783.69 - Step 5: Solve for x
x = 295,465,446,205,783.69/18,053,938.62 - Step 6: Final answer
x = 16,365,705.70
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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.