Finding the Fourth Proportional to 7,018,157.42, 10,512,550.68 and 5,644,506.97
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Solution
The fourth proportional to 7,018,157.42, 10,512,550.68 and 5,644,506.97 is: 8,454,949.36
Step by Step Solution
- Step 1: Write the proportion equation
7,018,157.42 : 10,512,550.68 = 5,644,506.97 : x - Step 2: Convert to fraction form
7,018,157.42/10,512,550.68 = 5,644,506.97/x - Step 3: Cross multiply
7,018,157.42x = 10,512,550.68 × 5,644,506.97 - Step 4: Simplify right side
7,018,157.42x = 59,338,165,577,712.03 - Step 5: Solve for x
x = 59,338,165,577,712.03/7,018,157.42 - Step 6: Final answer
x = 8,454,949.36
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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.