Finding the Fourth Proportional to 11,463,230.16, 15,820,374.06 and 8,557,575.48
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Solution
The fourth proportional to 11,463,230.16, 15,820,374.06 and 8,557,575.48 is: 11,810,287.61
Step by Step Solution
- Step 1: Write the proportion equation
11,463,230.16 : 15,820,374.06 = 8,557,575.48 : x - Step 2: Convert to fraction form
11,463,230.16/15,820,374.06 = 8,557,575.48/x - Step 3: Cross multiply
11,463,230.16x = 15,820,374.06 × 8,557,575.48 - Step 4: Simplify right side
11,463,230.16x = 135,384,045,140,284.06 - Step 5: Solve for x
x = 135,384,045,140,284.06/11,463,230.16 - Step 6: Final answer
x = 11,810,287.61
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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.