Finding the Fourth Proportional to 9,778,826.20, 14,667,583.20 and 2,590,205.80
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Solution
The fourth proportional to 9,778,826.20, 14,667,583.20 and 2,590,205.80 is: 3,885,134.91
Step by Step Solution
- Step 1: Write the proportion equation
9,778,826.20 : 14,667,583.20 = 2,590,205.80 : x - Step 2: Convert to fraction form
9,778,826.20/14,667,583.20 = 2,590,205.80/x - Step 3: Cross multiply
9,778,826.20x = 14,667,583.20 × 2,590,205.80 - Step 4: Simplify right side
9,778,826.20x = 37,992,059,076,622.55 - Step 5: Solve for x
x = 37,992,059,076,622.55/9,778,826.20 - Step 6: Final answer
x = 3,885,134.91
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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.