Finding the Fourth Proportional to 20,069,190.11, 27,696,243.68 and 11,248,804.41
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Solution
The fourth proportional to 20,069,190.11, 27,696,243.68 and 11,248,804.41 is: 15,523,776.81
Step by Step Solution
- Step 1: Write the proportion equation
20,069,190.11 : 27,696,243.68 = 11,248,804.41 : x - Step 2: Convert to fraction form
20,069,190.11/27,696,243.68 = 11,248,804.41/x - Step 3: Cross multiply
20,069,190.11x = 27,696,243.68 × 11,248,804.41 - Step 4: Simplify right side
20,069,190.11x = 311,549,628,061,015.19 - Step 5: Solve for x
x = 311,549,628,061,015.19/20,069,190.11 - Step 6: Final answer
x = 15,523,776.81
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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.