Finding the Fourth Proportional to 12,057,228.64, 16,634,860.36 and 7,471,876.96
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Solution
The fourth proportional to 12,057,228.64, 16,634,860.36 and 7,471,876.96 is: 10,308,640.03
Step by Step Solution
- Step 1: Write the proportion equation
12,057,228.64 : 16,634,860.36 = 7,471,876.96 : x - Step 2: Convert to fraction form
12,057,228.64/16,634,860.36 = 7,471,876.96/x - Step 3: Cross multiply
12,057,228.64x = 16,634,860.36 × 7,471,876.96 - Step 4: Simplify right side
12,057,228.64x = 124,293,629,856,701.30 - Step 5: Solve for x
x = 124,293,629,856,701.30/12,057,228.64 - Step 6: Final answer
x = 10,308,640.03
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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.