Finding the Fourth Proportional to 18,128,803.24, 27,186,323.10 and 5,994,627.40
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Solution
The fourth proportional to 18,128,803.24, 27,186,323.10 and 5,994,627.40 is: 8,989,665.52
Step by Step Solution
- Step 1: Write the proportion equation
18,128,803.24 : 27,186,323.10 = 5,994,627.40 : x - Step 2: Convert to fraction form
18,128,803.24/27,186,323.10 = 5,994,627.40/x - Step 3: Cross multiply
18,128,803.24x = 27,186,323.10 × 5,994,627.40 - Step 4: Simplify right side
18,128,803.24x = 162,971,877,360,512.97 - Step 5: Solve for x
x = 162,971,877,360,512.97/18,128,803.24 - Step 6: Final answer
x = 8,989,665.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.