Finding the Fourth Proportional to 20,035,733.04, 27,649,320.56 and 11,333,720.78
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Solution
The fourth proportional to 20,035,733.04, 27,649,320.56 and 11,333,720.78 is: 15,640,539.75
Step by Step Solution
- Step 1: Write the proportion equation
20,035,733.04 : 27,649,320.56 = 11,333,720.78 : x - Step 2: Convert to fraction form
20,035,733.04/27,649,320.56 = 11,333,720.78/x - Step 3: Cross multiply
20,035,733.04x = 27,649,320.56 × 11,333,720.78 - Step 4: Simplify right side
20,035,733.04x = 313,369,678,983,753.19 - Step 5: Solve for x
x = 313,369,678,983,753.19/20,035,733.04 - Step 6: Final answer
x = 15,640,539.75
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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.