Finding the Fourth Proportional to 31,993,097.58, 44,149,382.91 and 18,246,490.38
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Solution
The fourth proportional to 31,993,097.58, 44,149,382.91 and 18,246,490.38 is: 25,179,534.07
Step by Step Solution
- Step 1: Write the proportion equation
31,993,097.58 : 44,149,382.91 = 18,246,490.38 : x - Step 2: Convert to fraction form
31,993,097.58/44,149,382.91 = 18,246,490.38/x - Step 3: Cross multiply
31,993,097.58x = 44,149,382.91 × 18,246,490.38 - Step 4: Simplify right side
31,993,097.58x = 805,571,290,550,251.25 - Step 5: Solve for x
x = 805,571,290,550,251.25/31,993,097.58 - Step 6: Final answer
x = 25,179,534.07
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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.