Finding the Fourth Proportional to 11,367,186.40, 15,686,533.68 and 6,210,436.96
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Solution
The fourth proportional to 11,367,186.40, 15,686,533.68 and 6,210,436.96 is: 8,570,302.72
Step by Step Solution
- Step 1: Write the proportion equation
11,367,186.40 : 15,686,533.68 = 6,210,436.96 : x - Step 2: Convert to fraction form
11,367,186.40/15,686,533.68 = 6,210,436.96/x - Step 3: Cross multiply
11,367,186.40x = 15,686,533.68 × 6,210,436.96 - Step 4: Simplify right side
11,367,186.40x = 97,420,228,540,556.81 - Step 5: Solve for x
x = 97,420,228,540,556.81/11,367,186.40 - Step 6: Final answer
x = 8,570,302.72
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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.