Finding the Fourth Proportional to 22,582,394.19, 31,163,703.98 and 12,792,838.37
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Solution
The fourth proportional to 22,582,394.19, 31,163,703.98 and 12,792,838.37 is: 17,654,116.95
Step by Step Solution
- Step 1: Write the proportion equation
22,582,394.19 : 31,163,703.98 = 12,792,838.37 : x - Step 2: Convert to fraction form
22,582,394.19/31,163,703.98 = 12,792,838.37/x - Step 3: Cross multiply
22,582,394.19x = 31,163,703.98 × 12,792,838.37 - Step 4: Simplify right side
22,582,394.19x = 398,672,228,040,610.81 - Step 5: Solve for x
x = 398,672,228,040,610.81/22,582,394.19 - Step 6: Final answer
x = 17,654,116.95
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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.