Finding the Fourth Proportional to 20,073,936.44, 27,701,129.40 and 11,371,931.48
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Solution
The fourth proportional to 20,073,936.44, 27,701,129.40 and 11,371,931.48 is: 15,692,753.95
Step by Step Solution
- Step 1: Write the proportion equation
20,073,936.44 : 27,701,129.40 = 11,371,931.48 : x - Step 2: Convert to fraction form
20,073,936.44/27,701,129.40 = 11,371,931.48/x - Step 3: Cross multiply
20,073,936.44x = 27,701,129.40 × 11,371,931.48 - Step 4: Simplify right side
20,073,936.44x = 315,015,345,455,413.50 - Step 5: Solve for x
x = 315,015,345,455,413.50/20,073,936.44 - Step 6: Final answer
x = 15,692,753.95
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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.