Finding the Fourth Proportional to 13,482,804.99, 18,608,093.99 and 7,603,648.20
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Solution
The fourth proportional to 13,482,804.99, 18,608,093.99 and 7,603,648.20 is: 10,494,062.65
Step by Step Solution
- Step 1: Write the proportion equation
13,482,804.99 : 18,608,093.99 = 7,603,648.20 : x - Step 2: Convert to fraction form
13,482,804.99/18,608,093.99 = 7,603,648.20/x - Step 3: Cross multiply
13,482,804.99x = 18,608,093.99 × 7,603,648.20 - Step 4: Simplify right side
13,482,804.99x = 141,489,400,276,052.56 - Step 5: Solve for x
x = 141,489,400,276,052.56/13,482,804.99 - Step 6: Final answer
x = 10,494,062.65
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1.5x scale
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.