Finding the Fourth Proportional to 20,393,776.12, 30,579,482.99 and 8,085,270.41
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Solution
The fourth proportional to 20,393,776.12, 30,579,482.99 and 8,085,270.41 is: 12,123,472.74
Step by Step Solution
- Step 1: Write the proportion equation
20,393,776.12 : 30,579,482.99 = 8,085,270.41 : x - Step 2: Convert to fraction form
20,393,776.12/30,579,482.99 = 8,085,270.41/x - Step 3: Cross multiply
20,393,776.12x = 30,579,482.99 × 8,085,270.41 - Step 4: Simplify right side
20,393,776.12x = 247,243,388,778,821.56 - Step 5: Solve for x
x = 247,243,388,778,821.56/20,393,776.12 - Step 6: Final answer
x = 12,123,472.74
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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.