Finding the Fourth Proportional to 18,874,449, 28,183,653.60 and 14,992,698.96
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Solution
The fourth proportional to 18,874,449, 28,183,653.60 and 14,992,698.96 is: 22,387,357.32
Step by Step Solution
- Step 1: Write the proportion equation
18,874,449 : 28,183,653.60 = 14,992,698.96 : x - Step 2: Convert to fraction form
18,874,449/28,183,653.60 = 14,992,698.96/x - Step 3: Cross multiply
18,874,449x = 28,183,653.60 × 14,992,698.96 - Step 4: Simplify right side
18,874,449x = 422,549,034,017,720.31 - Step 5: Solve for x
x = 422,549,034,017,720.31/18,874,449 - Step 6: Final answer
x = 22,387,357.32
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.