Finding the Fourth Proportional to 7,034,129.76, 10,545,682.62 and 2,777,484.18
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Solution
The fourth proportional to 7,034,129.76, 10,545,682.62 and 2,777,484.18 is: 4,164,049.80
Step by Step Solution
- Step 1: Write the proportion equation
7,034,129.76 : 10,545,682.62 = 2,777,484.18 : x - Step 2: Convert to fraction form
7,034,129.76/10,545,682.62 = 2,777,484.18/x - Step 3: Cross multiply
7,034,129.76x = 10,545,682.62 × 2,777,484.18 - Step 4: Simplify right side
7,034,129.76x = 29,290,466,644,350.95 - Step 5: Solve for x
x = 29,290,466,644,350.95/7,034,129.76 - Step 6: Final answer
x = 4,164,049.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.