Finding the Fourth Proportional to 20,048,319.48, 27,666,707.79 and 10,880,962.23
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Solution
The fourth proportional to 20,048,319.48, 27,666,707.79 and 10,880,962.23 is: 15,015,742.48
Step by Step Solution
- Step 1: Write the proportion equation
20,048,319.48 : 27,666,707.79 = 10,880,962.23 : x - Step 2: Convert to fraction form
20,048,319.48/27,666,707.79 = 10,880,962.23/x - Step 3: Cross multiply
20,048,319.48x = 27,666,707.79 × 10,880,962.23 - Step 4: Simplify right side
20,048,319.48x = 301,040,402,491,436.75 - Step 5: Solve for x
x = 301,040,402,491,436.75/20,048,319.48 - Step 6: Final answer
x = 15,015,742.48
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.