Finding the Fourth Proportional to 7,777,607.44, 10,738,153.98 and 6,960,406.18
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Solution
The fourth proportional to 7,777,607.44, 10,738,153.98 and 6,960,406.18 is: 9,609,885.03
Step by Step Solution
- Step 1: Write the proportion equation
7,777,607.44 : 10,738,153.98 = 6,960,406.18 : x - Step 2: Convert to fraction form
7,777,607.44/10,738,153.98 = 6,960,406.18/x - Step 3: Cross multiply
7,777,607.44x = 10,738,153.98 × 6,960,406.18 - Step 4: Simplify right side
7,777,607.44x = 74,741,913,324,183.59 - Step 5: Solve for x
x = 74,741,913,324,183.59/7,777,607.44 - Step 6: Final answer
x = 9,609,885.03
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.