Finding the Fourth Proportional to 38,626,644.26, 57,930,977.64 and 14,376,991.43
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Solution
The fourth proportional to 38,626,644.26, 57,930,977.64 and 14,376,991.43 is: 21,562,141.50
Step by Step Solution
- Step 1: Write the proportion equation
38,626,644.26 : 57,930,977.64 = 14,376,991.43 : x - Step 2: Convert to fraction form
38,626,644.26/57,930,977.64 = 14,376,991.43/x - Step 3: Cross multiply
38,626,644.26x = 57,930,977.64 × 14,376,991.43 - Step 4: Simplify right side
38,626,644.26x = 832,873,169,260,542.75 - Step 5: Solve for x
x = 832,873,169,260,542.75/38,626,644.26 - Step 6: Final answer
x = 21,562,141.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.