Finding the Fourth Proportional to 18,941,256.63, 26,146,042.26 and 12,415,306.41
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Solution
The fourth proportional to 18,941,256.63, 26,146,042.26 and 12,415,306.41 is: 17,137,781.95
Step by Step Solution
- Step 1: Write the proportion equation
18,941,256.63 : 26,146,042.26 = 12,415,306.41 : x - Step 2: Convert to fraction form
18,941,256.63/26,146,042.26 = 12,415,306.41/x - Step 3: Cross multiply
18,941,256.63x = 26,146,042.26 × 12,415,306.41 - Step 4: Simplify right side
18,941,256.63x = 324,611,126,066,708.94 - Step 5: Solve for x
x = 324,611,126,066,708.94/18,941,256.63 - Step 6: Final answer
x = 17,137,781.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.