Finding the Fourth Proportional to 10,515,765.20, 15,776,442.36 and 3,327,426.80
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Solution
The fourth proportional to 10,515,765.20, 15,776,442.36 and 3,327,426.80 is: 4,992,024.46
Step by Step Solution
- Step 1: Write the proportion equation
10,515,765.20 : 15,776,442.36 = 3,327,426.80 : x - Step 2: Convert to fraction form
10,515,765.20/15,776,442.36 = 3,327,426.80/x - Step 3: Cross multiply
10,515,765.20x = 15,776,442.36 × 3,327,426.80 - Step 4: Simplify right side
10,515,765.20x = 52,494,957,117,319.24 - Step 5: Solve for x
x = 52,494,957,117,319.24/10,515,765.20 - Step 6: Final answer
x = 4,992,024.46
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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.