Finding the Fourth Proportional to 27,911,536.17, 38,512,274.41 and 16,306,858.54
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Solution
The fourth proportional to 27,911,536.17, 38,512,274.41 and 16,306,858.54 is: 22,500,166.49
Step by Step Solution
- Step 1: Write the proportion equation
27,911,536.17 : 38,512,274.41 = 16,306,858.54 : x - Step 2: Convert to fraction form
27,911,536.17/38,512,274.41 = 16,306,858.54/x - Step 3: Cross multiply
27,911,536.17x = 38,512,274.41 × 16,306,858.54 - Step 4: Simplify right side
27,911,536.17x = 628,014,210,775,997.62 - Step 5: Solve for x
x = 628,014,210,775,997.62/27,911,536.17 - Step 6: Final answer
x = 22,500,166.49
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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.