Finding the Fourth Proportional to 18,531,032.60, 27,757,444.58 and 14,867,930.18
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Solution
The fourth proportional to 18,531,032.60, 27,757,444.58 and 14,867,930.18 is: 22,270,520.86
Step by Step Solution
- Step 1: Write the proportion equation
18,531,032.60 : 27,757,444.58 = 14,867,930.18 : x - Step 2: Convert to fraction form
18,531,032.60/27,757,444.58 = 14,867,930.18/x - Step 3: Cross multiply
18,531,032.60x = 27,757,444.58 × 14,867,930.18 - Step 4: Simplify right side
18,531,032.60x = 412,695,747,990,659.38 - Step 5: Solve for x
x = 412,695,747,990,659.38/18,531,032.60 - Step 6: Final answer
x = 22,270,520.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.