Finding the Fourth Proportional to 18,156,781.64, 27,229,858.05 and 14,953,963.88
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Solution
The fourth proportional to 18,156,781.64, 27,229,858.05 and 14,953,963.88 is: 22,426,568.86
Step by Step Solution
- Step 1: Write the proportion equation
18,156,781.64 : 27,229,858.05 = 14,953,963.88 : x - Step 2: Convert to fraction form
18,156,781.64/27,229,858.05 = 14,953,963.88/x - Step 3: Cross multiply
18,156,781.64x = 27,229,858.05 × 14,953,963.88 - Step 4: Simplify right side
18,156,781.64x = 407,194,313,737,227.25 - Step 5: Solve for x
x = 407,194,313,737,227.25/18,156,781.64 - Step 6: Final answer
x = 22,426,568.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.