Finding the Fourth Proportional to 38,886,520.20, 58,321,862.49 and 14,285,991.67
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Solution
The fourth proportional to 38,886,520.20, 58,321,862.49 and 14,285,991.67 is: 21,426,078.69
Step by Step Solution
- Step 1: Write the proportion equation
38,886,520.20 : 58,321,862.49 = 14,285,991.67 : x - Step 2: Convert to fraction form
38,886,520.20/58,321,862.49 = 14,285,991.67/x - Step 3: Cross multiply
38,886,520.20x = 58,321,862.49 × 14,285,991.67 - Step 4: Simplify right side
38,886,520.20x = 833,185,641,618,793.25 - Step 5: Solve for x
x = 833,185,641,618,793.25/38,886,520.20 - Step 6: Final answer
x = 21,426,078.69
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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.