Finding the Fourth Proportional to 27,706,062.93, 38,234,418.71 and 15,482,919.93
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Solution
The fourth proportional to 27,706,062.93, 38,234,418.71 and 15,482,919.93 is: 21,366,458.49
Step by Step Solution
- Step 1: Write the proportion equation
27,706,062.93 : 38,234,418.71 = 15,482,919.93 : x - Step 2: Convert to fraction form
27,706,062.93/38,234,418.71 = 15,482,919.93/x - Step 3: Cross multiply
27,706,062.93x = 38,234,418.71 × 15,482,919.93 - Step 4: Simplify right side
27,706,062.93x = 591,980,443,379,609.25 - Step 5: Solve for x
x = 591,980,443,379,609.25/27,706,062.93 - Step 6: Final answer
x = 21,366,458.49
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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.