Finding the Fourth Proportional to 7,738,742.24, 11,608,140.36 and 2,347,439.12
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Solution
The fourth proportional to 7,738,742.24, 11,608,140.36 and 2,347,439.12 is: 3,521,166.87
Step by Step Solution
- Step 1: Write the proportion equation
7,738,742.24 : 11,608,140.36 = 2,347,439.12 : x - Step 2: Convert to fraction form
7,738,742.24/11,608,140.36 = 2,347,439.12/x - Step 3: Cross multiply
7,738,742.24x = 11,608,140.36 × 2,347,439.12 - Step 4: Simplify right side
7,738,742.24x = 27,249,402,791,514.88 - Step 5: Solve for x
x = 27,249,402,791,514.88/7,738,742.24 - Step 6: Final answer
x = 3,521,166.87
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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.