Finding the Fourth Proportional to 27,911,536.29, 38,512,274.58 and 16,306,858.67
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Solution
The fourth proportional to 27,911,536.29, 38,512,274.58 and 16,306,858.67 is: 22,500,166.67
Step by Step Solution
- Step 1: Write the proportion equation
27,911,536.29 : 38,512,274.58 = 16,306,858.67 : x - Step 2: Convert to fraction form
27,911,536.29/38,512,274.58 = 16,306,858.67/x - Step 3: Cross multiply
27,911,536.29x = 38,512,274.58 × 16,306,858.67 - Step 4: Simplify right side
27,911,536.29x = 628,014,218,443,732.12 - Step 5: Solve for x
x = 628,014,218,443,732.12/27,911,536.29 - Step 6: Final answer
x = 22,500,166.67
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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.