Finding the Fourth Proportional to 10,515,764.20, 15,776,440.86 and 3,327,425.80
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Solution
The fourth proportional to 10,515,764.20, 15,776,440.86 and 3,327,425.80 is: 4,992,022.96
Step by Step Solution
- Step 1: Write the proportion equation
10,515,764.20 : 15,776,440.86 = 3,327,425.80 : x - Step 2: Convert to fraction form
10,515,764.20/15,776,440.86 = 3,327,425.80/x - Step 3: Cross multiply
10,515,764.20x = 15,776,440.86 × 3,327,425.80 - Step 4: Simplify right side
10,515,764.20x = 52,494,936,349,738.18 - Step 5: Solve for x
x = 52,494,936,349,738.18/10,515,764.20 - Step 6: Final answer
x = 4,992,022.96
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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.