Finding the Fourth Proportional to 18,227,251.73, 25,153,613.84 and 10,386,539.62
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Solution
The fourth proportional to 18,227,251.73, 25,153,613.84 and 10,386,539.62 is: 14,333,428.35
Step by Step Solution
- Step 1: Write the proportion equation
18,227,251.73 : 25,153,613.84 = 10,386,539.62 : x - Step 2: Convert to fraction form
18,227,251.73/25,153,613.84 = 10,386,539.62/x - Step 3: Cross multiply
18,227,251.73x = 25,153,613.84 × 10,386,539.62 - Step 4: Simplify right side
18,227,251.73x = 261,259,006,698,422.66 - Step 5: Solve for x
x = 261,259,006,698,422.66/18,227,251.73 - Step 6: Final answer
x = 14,333,428.35
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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.