Finding the Fourth Proportional to 17,721,458.97, 26,582,188.47 and 4,258,286.97
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Solution
The fourth proportional to 17,721,458.97, 26,582,188.47 and 4,258,286.97 is: 6,387,430.46
Step by Step Solution
- Step 1: Write the proportion equation
17,721,458.97 : 26,582,188.47 = 4,258,286.97 : x - Step 2: Convert to fraction form
17,721,458.97/26,582,188.47 = 4,258,286.97/x - Step 3: Cross multiply
17,721,458.97x = 26,582,188.47 × 4,258,286.97 - Step 4: Simplify right side
17,721,458.97x = 113,194,586,795,885.22 - Step 5: Solve for x
x = 113,194,586,795,885.22/17,721,458.97 - Step 6: Final answer
x = 6,387,430.46
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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.