Finding the Fourth Proportional to 29,657,469.94, 40,928,994.99 and 16,604,614.66
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Solution
The fourth proportional to 29,657,469.94, 40,928,994.99 and 16,604,614.66 is: 22,915,312.45
Step by Step Solution
- Step 1: Write the proportion equation
29,657,469.94 : 40,928,994.99 = 16,604,614.66 : x - Step 2: Convert to fraction form
29,657,469.94/40,928,994.99 = 16,604,614.66/x - Step 3: Cross multiply
29,657,469.94x = 40,928,994.99 × 16,604,614.66 - Step 4: Simplify right side
29,657,469.94x = 679,610,190,230,020.62 - Step 5: Solve for x
x = 679,610,190,230,020.62/29,657,469.94 - Step 6: Final answer
x = 22,915,312.45
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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.