Finding the Fourth Proportional to 46,609,886.38, 69,911,901.32 and 14,259,218.62
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Solution
The fourth proportional to 46,609,886.38, 69,911,901.32 and 14,259,218.62 is: 21,387,932.10
Step by Step Solution
- Step 1: Write the proportion equation
46,609,886.38 : 69,911,901.32 = 14,259,218.62 : x - Step 2: Convert to fraction form
46,609,886.38/69,911,901.32 = 14,259,218.62/x - Step 3: Cross multiply
46,609,886.38x = 69,911,901.32 × 14,259,218.62 - Step 4: Simplify right side
46,609,886.38x = 996,889,084,990,450.38 - Step 5: Solve for x
x = 996,889,084,990,450.38/46,609,886.38 - Step 6: Final answer
x = 21,387,932.10
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.