Finding the Fourth Proportional to 31,699,943.06, 43,766,905.95 and 24,344,578.17
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Solution
The fourth proportional to 31,699,943.06, 43,766,905.95 and 24,344,578.17 is: 33,611,633.35
Step by Step Solution
- Step 1: Write the proportion equation
31,699,943.06 : 43,766,905.95 = 24,344,578.17 : x - Step 2: Convert to fraction form
31,699,943.06/43,766,905.95 = 24,344,578.17/x - Step 3: Cross multiply
31,699,943.06x = 43,766,905.95 × 24,344,578.17 - Step 4: Simplify right side
31,699,943.06x = 1,065,486,863,158,813.25 - Step 5: Solve for x
x = 1,065,486,863,158,813.25/31,699,943.06 - Step 6: Final answer
x = 33,611,633.35
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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.