Finding the Fourth Proportional to 11,126,516.30, 15,346,148.94 and 9,747,465.86
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Solution
The fourth proportional to 11,126,516.30, 15,346,148.94 and 9,747,465.86 is: 13,444,105.85
Step by Step Solution
- Step 1: Write the proportion equation
11,126,516.30 : 15,346,148.94 = 9,747,465.86 : x - Step 2: Convert to fraction form
11,126,516.30/15,346,148.94 = 9,747,465.86/x - Step 3: Cross multiply
11,126,516.30x = 15,346,148.94 × 9,747,465.86 - Step 4: Simplify right side
11,126,516.30x = 149,586,062,875,125.19 - Step 5: Solve for x
x = 149,586,062,875,125.19/11,126,516.30 - Step 6: Final answer
x = 13,444,105.85
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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.