Finding the Fourth Proportional to 11,207,212.52, 15,460,669.11 and 6,558,145.62
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Solution
The fourth proportional to 11,207,212.52, 15,460,669.11 and 6,558,145.62 is: 9,047,148.81
Step by Step Solution
- Step 1: Write the proportion equation
11,207,212.52 : 15,460,669.11 = 6,558,145.62 : x - Step 2: Convert to fraction form
11,207,212.52/15,460,669.11 = 6,558,145.62/x - Step 3: Cross multiply
11,207,212.52x = 15,460,669.11 × 6,558,145.62 - Step 4: Simplify right side
11,207,212.52x = 101,393,319,406,015.80 - Step 5: Solve for x
x = 101,393,319,406,015.80/11,207,212.52 - Step 6: Final answer
x = 9,047,148.81
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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.