Finding the Fourth Proportional to 16,864,748.28, 23,273,359.74 and 9,129,790.44
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Solution
The fourth proportional to 16,864,748.28, 23,273,359.74 and 9,129,790.44 is: 12,599,114.66
Step by Step Solution
- Step 1: Write the proportion equation
16,864,748.28 : 23,273,359.74 = 9,129,790.44 : x - Step 2: Convert to fraction form
16,864,748.28/23,273,359.74 = 9,129,790.44/x - Step 3: Cross multiply
16,864,748.28x = 23,273,359.74 × 9,129,790.44 - Step 4: Simplify right side
16,864,748.28x = 212,480,897,260,932.84 - Step 5: Solve for x
x = 212,480,897,260,932.84/16,864,748.28 - Step 6: Final answer
x = 12,599,114.66
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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.