Finding the Fourth Proportional to 10,515,763.20, 15,776,439.36 and 3,327,424.80
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Solution
The fourth proportional to 10,515,763.20, 15,776,439.36 and 3,327,424.80 is: 4,992,021.46
Step by Step Solution
- Step 1: Write the proportion equation
10,515,763.20 : 15,776,439.36 = 3,327,424.80 : x - Step 2: Convert to fraction form
10,515,763.20/15,776,439.36 = 3,327,424.80/x - Step 3: Cross multiply
10,515,763.20x = 15,776,439.36 × 3,327,424.80 - Step 4: Simplify right side
10,515,763.20x = 52,494,915,582,160.12 - Step 5: Solve for x
x = 52,494,915,582,160.12/10,515,763.20 - Step 6: Final answer
x = 4,992,021.46
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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.