Finding the Fourth Proportional to 29,369,797.22, 40,527,943.99 and 16,980,685.53
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Solution
The fourth proportional to 29,369,797.22, 40,527,943.99 and 16,980,685.53 is: 23,431,972.19
Step by Step Solution
- Step 1: Write the proportion equation
29,369,797.22 : 40,527,943.99 = 16,980,685.53 : x - Step 2: Convert to fraction form
29,369,797.22/40,527,943.99 = 16,980,685.53/x - Step 3: Cross multiply
29,369,797.22x = 40,527,943.99 × 16,980,685.53 - Step 4: Simplify right side
29,369,797.22x = 688,192,271,877,212 - Step 5: Solve for x
x = 688,192,271,877,212/29,369,797.22 - Step 6: Final answer
x = 23,431,972.19
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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.