Finding the Fourth Proportional to 51,792,431.84, 71,472,451.92 and 28,270,187.36
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Solution
The fourth proportional to 51,792,431.84, 71,472,451.92 and 28,270,187.36 is: 39,012,255.94
Step by Step Solution
- Step 1: Write the proportion equation
51,792,431.84 : 71,472,451.92 = 28,270,187.36 : x - Step 2: Convert to fraction form
51,792,431.84/71,472,451.92 = 28,270,187.36/x - Step 3: Cross multiply
51,792,431.84x = 71,472,451.92 × 28,270,187.36 - Step 4: Simplify right side
51,792,431.84x = 2,020,539,606,856,991.75 - Step 5: Solve for x
x = 2,020,539,606,856,991.75/51,792,431.84 - Step 6: Final answer
x = 39,012,255.94
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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.