Finding the Fourth Proportional to 18,957,629.97, 26,161,471.60 and 10,255,800.58
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Solution
The fourth proportional to 18,957,629.97, 26,161,471.60 and 10,255,800.58 is: 14,152,973.55
Step by Step Solution
- Step 1: Write the proportion equation
18,957,629.97 : 26,161,471.60 = 10,255,800.58 : x - Step 2: Convert to fraction form
18,957,629.97/26,161,471.60 = 10,255,800.58/x - Step 3: Cross multiply
18,957,629.97x = 26,161,471.60 × 10,255,800.58 - Step 4: Simplify right side
18,957,629.97x = 268,306,835,517,890.38 - Step 5: Solve for x
x = 268,306,835,517,890.38/18,957,629.97 - Step 6: Final answer
x = 14,152,973.55
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1.5x scale
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.