Finding the Fourth Proportional to 28,703,463.38, 39,611,432.97 and 16,311,604.26
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Solution
The fourth proportional to 28,703,463.38, 39,611,432.97 and 16,311,604.26 is: 22,510,385.26
Step by Step Solution
- Step 1: Write the proportion equation
28,703,463.38 : 39,611,432.97 = 16,311,604.26 : x - Step 2: Convert to fraction form
28,703,463.38/39,611,432.97 = 16,311,604.26/x - Step 3: Cross multiply
28,703,463.38x = 39,611,432.97 × 16,311,604.26 - Step 4: Simplify right side
28,703,463.38x = 646,126,018,778,156.38 - Step 5: Solve for x
x = 646,126,018,778,156.38/28,703,463.38 - Step 6: Final answer
x = 22,510,385.26
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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.