Finding the Fourth Proportional to 31,373,771.18, 43,296,855.68 and 17,435,713.76
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Solution
The fourth proportional to 31,373,771.18, 43,296,855.68 and 17,435,713.76 is: 24,061,869.32
Step by Step Solution
- Step 1: Write the proportion equation
31,373,771.18 : 43,296,855.68 = 17,435,713.76 : x - Step 2: Convert to fraction form
31,373,771.18/43,296,855.68 = 17,435,713.76/x - Step 3: Cross multiply
31,373,771.18x = 43,296,855.68 × 17,435,713.76 - Step 4: Simplify right side
31,373,771.18x = 754,911,582,344,510.25 - Step 5: Solve for x
x = 754,911,582,344,510.25/31,373,771.18 - Step 6: Final answer
x = 24,061,869.32
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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.