Finding the Fourth Proportional to 7,738,742.74, 11,608,141.11 and 2,347,439.62
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Solution
The fourth proportional to 7,738,742.74, 11,608,141.11 and 2,347,439.62 is: 3,521,167.62
Step by Step Solution
- Step 1: Write the proportion equation
7,738,742.74 : 11,608,141.11 = 2,347,439.62 : x - Step 2: Convert to fraction form
7,738,742.74/11,608,141.11 = 2,347,439.62/x - Step 3: Cross multiply
7,738,742.74x = 11,608,141.11 × 2,347,439.62 - Step 4: Simplify right side
7,738,742.74x = 27,249,410,356,164.78 - Step 5: Solve for x
x = 27,249,410,356,164.78/7,738,742.74 - Step 6: Final answer
x = 3,521,167.62
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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.