Finding the Fourth Proportional to 20,287,109.94, 30,412,603.44 and 7,330,370.70
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Solution
The fourth proportional to 20,287,109.94, 30,412,603.44 and 7,330,370.70 is: 10,989,029.87
Step by Step Solution
- Step 1: Write the proportion equation
20,287,109.94 : 30,412,603.44 = 7,330,370.70 : x - Step 2: Convert to fraction form
20,287,109.94/30,412,603.44 = 7,330,370.70/x - Step 3: Cross multiply
20,287,109.94x = 30,412,603.44 × 7,330,370.70 - Step 4: Simplify right side
20,287,109.94x = 222,935,657,167,295.22 - Step 5: Solve for x
x = 222,935,657,167,295.22/20,287,109.94 - Step 6: Final answer
x = 10,989,029.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.