Finding the Fourth Proportional to 29,513,157.77, 40,728,212.07 and 16,461,257.96
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Solution
The fourth proportional to 29,513,157.77, 40,728,212.07 and 16,461,257.96 is: 22,716,566.30
Step by Step Solution
- Step 1: Write the proportion equation
29,513,157.77 : 40,728,212.07 = 16,461,257.96 : x - Step 2: Convert to fraction form
29,513,157.77/40,728,212.07 = 16,461,257.96/x - Step 3: Cross multiply
29,513,157.77x = 40,728,212.07 × 16,461,257.96 - Step 4: Simplify right side
29,513,157.77x = 670,437,605,133,855.62 - Step 5: Solve for x
x = 670,437,605,133,855.62/29,513,157.77 - Step 6: Final answer
x = 22,716,566.30
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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.