Finding the Fourth Proportional to 16,090,378.83, 22,205,158.20 and 8,748,704.88
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Solution
The fourth proportional to 16,090,378.83, 22,205,158.20 and 8,748,704.88 is: 12,073,449.48
Step by Step Solution
- Step 1: Write the proportion equation
16,090,378.83 : 22,205,158.20 = 8,748,704.88 : x - Step 2: Convert to fraction form
16,090,378.83/22,205,158.20 = 8,748,704.88/x - Step 3: Cross multiply
16,090,378.83x = 22,205,158.20 × 8,748,704.88 - Step 4: Simplify right side
16,090,378.83x = 194,266,375,905,512.03 - Step 5: Solve for x
x = 194,266,375,905,512.03/16,090,378.83 - Step 6: Final answer
x = 12,073,449.48
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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.