Finding the Fourth Proportional to 8,382,213.18, 12,562,801.65 and 3,584,260.49
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Solution
The fourth proportional to 8,382,213.18, 12,562,801.65 and 3,584,260.49 is: 5,371,893.15
Step by Step Solution
- Step 1: Write the proportion equation
8,382,213.18 : 12,562,801.65 = 3,584,260.49 : x - Step 2: Convert to fraction form
8,382,213.18/12,562,801.65 = 3,584,260.49/x - Step 3: Cross multiply
8,382,213.18x = 12,562,801.65 × 3,584,260.49 - Step 4: Simplify right side
8,382,213.18x = 45,028,353,534,987.80 - Step 5: Solve for x
x = 45,028,353,534,987.80/8,382,213.18 - Step 6: Final answer
x = 5,371,893.15
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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.