Finding the Fourth Proportional to 8,276,564.20, 12,415,235.10 and 2,596,973.80
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Solution
The fourth proportional to 8,276,564.20, 12,415,235.10 and 2,596,973.80 is: 3,895,582.70
Step by Step Solution
- Step 1: Write the proportion equation
8,276,564.20 : 12,415,235.10 = 2,596,973.80 : x - Step 2: Convert to fraction form
8,276,564.20/12,415,235.10 = 2,596,973.80/x - Step 3: Cross multiply
8,276,564.20x = 12,415,235.10 × 2,596,973.80 - Step 4: Simplify right side
8,276,564.20x = 32,242,040,275,540.38 - Step 5: Solve for x
x = 32,242,040,275,540.38/8,276,564.20 - Step 6: Final answer
x = 3,895,582.70
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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.