Finding the Fourth Proportional to 18,975,453.58, 28,433,375.34 and 14,668,058.26
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Solution
The fourth proportional to 18,975,453.58, 28,433,375.34 and 14,668,058.26 is: 21,979,048.05
Step by Step Solution
- Step 1: Write the proportion equation
18,975,453.58 : 28,433,375.34 = 14,668,058.26 : x - Step 2: Convert to fraction form
18,975,453.58/28,433,375.34 = 14,668,058.26/x - Step 3: Cross multiply
18,975,453.58x = 28,433,375.34 × 14,668,058.26 - Step 4: Simplify right side
18,975,453.58x = 417,062,406,015,567.31 - Step 5: Solve for x
x = 417,062,406,015,567.31/18,975,453.58 - Step 6: Final answer
x = 21,979,048.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.