Finding the Fourth Proportional to 18,924,625.20, 28,386,527.94 and 5,277,407.44
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Solution
The fourth proportional to 18,924,625.20, 28,386,527.94 and 5,277,407.44 is: 7,915,996.86
Step by Step Solution
- Step 1: Write the proportion equation
18,924,625.20 : 28,386,527.94 = 5,277,407.44 : x - Step 2: Convert to fraction form
18,924,625.20/28,386,527.94 = 5,277,407.44/x - Step 3: Cross multiply
18,924,625.20x = 28,386,527.94 × 5,277,407.44 - Step 4: Simplify right side
18,924,625.20x = 149,807,273,746,323.91 - Step 5: Solve for x
x = 149,807,273,746,323.91/18,924,625.20 - Step 6: Final answer
x = 7,915,996.86
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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.