Finding the Fourth Proportional to 8,210,582.40, 12,297,211.20 and 4,216,828.80
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Solution
The fourth proportional to 8,210,582.40, 12,297,211.20 and 4,216,828.80 is: 6,315,658.48
Step by Step Solution
- Step 1: Write the proportion equation
8,210,582.40 : 12,297,211.20 = 4,216,828.80 : x - Step 2: Convert to fraction form
8,210,582.40/12,297,211.20 = 4,216,828.80/x - Step 3: Cross multiply
8,210,582.40x = 12,297,211.20 × 4,216,828.80 - Step 4: Simplify right side
8,210,582.40x = 51,855,234,347,842.55 - Step 5: Solve for x
x = 51,855,234,347,842.55/8,210,582.40 - Step 6: Final answer
x = 6,315,658.48
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1.5x scale
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.