Finding the Fourth Proportional to 18,975,452.58, 28,433,373.84 and 14,668,057.26
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Solution
The fourth proportional to 18,975,452.58, 28,433,373.84 and 14,668,057.26 is: 21,979,046.55
Step by Step Solution
- Step 1: Write the proportion equation
18,975,452.58 : 28,433,373.84 = 14,668,057.26 : x - Step 2: Convert to fraction form
18,975,452.58/28,433,373.84 = 14,668,057.26/x - Step 3: Cross multiply
18,975,452.58x = 28,433,373.84 × 14,668,057.26 - Step 4: Simplify right side
18,975,452.58x = 417,062,355,580,106.06 - Step 5: Solve for x
x = 417,062,355,580,106.06/18,975,452.58 - Step 6: Final answer
x = 21,979,046.55
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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.