Finding the Fourth Proportional to 18,015,755.68, 27,018,044.45 and 6,499,725.87
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Solution
The fourth proportional to 18,015,755.68, 27,018,044.45 and 6,499,725.87 is: 9,747,572.38
Step by Step Solution
- Step 1: Write the proportion equation
18,015,755.68 : 27,018,044.45 = 6,499,725.87 : x - Step 2: Convert to fraction form
18,015,755.68/27,018,044.45 = 6,499,725.87/x - Step 3: Cross multiply
18,015,755.68x = 27,018,044.45 × 6,499,725.87 - Step 4: Simplify right side
18,015,755.68x = 175,609,882,484,724.25 - Step 5: Solve for x
x = 175,609,882,484,724.25/18,015,755.68 - Step 6: Final answer
x = 9,747,572.38
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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.