Finding the Fourth Proportional to 20,035,810.92, 27,649,428.04 and 11,333,798.08
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Solution
The fourth proportional to 20,035,810.92, 27,649,428.04 and 11,333,798.08 is: 15,640,646.42
Step by Step Solution
- Step 1: Write the proportion equation
20,035,810.92 : 27,649,428.04 = 11,333,798.08 : x - Step 2: Convert to fraction form
20,035,810.92/27,649,428.04 = 11,333,798.08/x - Step 3: Cross multiply
20,035,810.92x = 27,649,428.04 × 11,333,798.08 - Step 4: Simplify right side
20,035,810.92x = 313,373,034,432,850.12 - Step 5: Solve for x
x = 313,373,034,432,850.12/20,035,810.92 - Step 6: Final answer
x = 15,640,646.42
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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.