Finding the Fourth Proportional to 22,914,821.87, 31,623,285.70 and 13,127,157.71
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Solution
The fourth proportional to 22,914,821.87, 31,623,285.70 and 13,127,157.71 is: 18,115,953.99
Step by Step Solution
- Step 1: Write the proportion equation
22,914,821.87 : 31,623,285.70 = 13,127,157.71 : x - Step 2: Convert to fraction form
22,914,821.87/31,623,285.70 = 13,127,157.71/x - Step 3: Cross multiply
22,914,821.87x = 31,623,285.70 × 13,127,157.71 - Step 4: Simplify right side
22,914,821.87x = 415,123,858,669,167.62 - Step 5: Solve for x
x = 415,123,858,669,167.62/22,914,821.87 - Step 6: Final answer
x = 18,115,953.99
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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.