Finding the Fourth Proportional to 18,354,685.70, 27,507,227.28 and 6,988,934.18
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Solution
The fourth proportional to 18,354,685.70, 27,507,227.28 and 6,988,934.18 is: 10,473,957.66
Step by Step Solution
- Step 1: Write the proportion equation
18,354,685.70 : 27,507,227.28 = 6,988,934.18 : x - Step 2: Convert to fraction form
18,354,685.70/27,507,227.28 = 6,988,934.18/x - Step 3: Cross multiply
18,354,685.70x = 27,507,227.28 × 6,988,934.18 - Step 4: Simplify right side
18,354,685.70x = 192,246,200,934,220.44 - Step 5: Solve for x
x = 192,246,200,934,220.44/18,354,685.70 - Step 6: Final answer
x = 10,473,957.66
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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.