Finding the Fourth Proportional to 20,202,957.06, 27,880,079.68 and 10,910,526.23
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Solution
The fourth proportional to 20,202,957.06, 27,880,079.68 and 10,910,526.23 is: 15,056,525.62
Step by Step Solution
- Step 1: Write the proportion equation
20,202,957.06 : 27,880,079.68 = 10,910,526.23 : x - Step 2: Convert to fraction form
20,202,957.06/27,880,079.68 = 10,910,526.23/x - Step 3: Cross multiply
20,202,957.06x = 27,880,079.68 × 10,910,526.23 - Step 4: Simplify right side
20,202,957.06x = 304,186,340,643,130 - Step 5: Solve for x
x = 304,186,340,643,130/20,202,957.06 - Step 6: Final answer
x = 15,056,525.62
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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.