Finding the Fourth Proportional to 31,869,704.80, 47,804,557.20 and 29,212,499.80
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Solution
The fourth proportional to 31,869,704.80, 47,804,557.20 and 29,212,499.80 is: 43,818,749.70
Step by Step Solution
- Step 1: Write the proportion equation
31,869,704.80 : 47,804,557.20 = 29,212,499.80 : x - Step 2: Convert to fraction form
31,869,704.80/47,804,557.20 = 29,212,499.80/x - Step 3: Cross multiply
31,869,704.80x = 47,804,557.20 × 29,212,499.80 - Step 4: Simplify right side
31,869,704.80x = 1,396,490,617,644,088.75 - Step 5: Solve for x
x = 1,396,490,617,644,088.75/31,869,704.80 - Step 6: Final answer
x = 43,818,749.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.