Finding the Fourth Proportional to 17,721,433.13, 26,582,149.69 and 4,258,261.13
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Solution
The fourth proportional to 17,721,433.13, 26,582,149.69 and 4,258,261.13 is: 6,387,391.69
Step by Step Solution
- Step 1: Write the proportion equation
17,721,433.13 : 26,582,149.69 = 4,258,261.13 : x - Step 2: Convert to fraction form
17,721,433.13/26,582,149.69 = 4,258,261.13/x - Step 3: Cross multiply
17,721,433.13x = 26,582,149.69 × 4,258,261.13 - Step 4: Simplify right side
17,721,433.13x = 113,193,734,633,212.16 - Step 5: Solve for x
x = 113,193,734,633,212.16/17,721,433.13 - Step 6: Final answer
x = 6,387,391.69
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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.