Finding the Fourth Proportional to 7,644,636.95, 10,549,600.70 and 4,206,877.97
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Solution
The fourth proportional to 7,644,636.95, 10,549,600.70 and 4,206,877.97 is: 5,805,492.53
Step by Step Solution
- Step 1: Write the proportion equation
7,644,636.95 : 10,549,600.70 = 4,206,877.97 : x - Step 2: Convert to fraction form
7,644,636.95/10,549,600.70 = 4,206,877.97/x - Step 3: Cross multiply
7,644,636.95x = 10,549,600.70 × 4,206,877.97 - Step 4: Simplify right side
7,644,636.95x = 44,380,882,703,344.19 - Step 5: Solve for x
x = 44,380,882,703,344.19/7,644,636.95 - Step 6: Final answer
x = 5,805,492.53
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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.