Finding the Fourth Proportional to 9,486,201.47, 13,090,942.88 and 5,135,286.62
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Solution
The fourth proportional to 9,486,201.47, 13,090,942.88 and 5,135,286.62 is: 7,086,687.34
Step by Step Solution
- Step 1: Write the proportion equation
9,486,201.47 : 13,090,942.88 = 5,135,286.62 : x - Step 2: Convert to fraction form
9,486,201.47/13,090,942.88 = 5,135,286.62/x - Step 3: Cross multiply
9,486,201.47x = 13,090,942.88 × 5,135,286.62 - Step 4: Simplify right side
9,486,201.47x = 67,225,743,814,848.27 - Step 5: Solve for x
x = 67,225,743,814,848.27/9,486,201.47 - Step 6: Final answer
x = 7,086,687.34
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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.