Finding the Fourth Proportional to 6,782,442.90, 10,173,664.35 and 6,262,811.70
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Solution
The fourth proportional to 6,782,442.90, 10,173,664.35 and 6,262,811.70 is: 9,394,217.55
Step by Step Solution
- Step 1: Write the proportion equation
6,782,442.90 : 10,173,664.35 = 6,262,811.70 : x - Step 2: Convert to fraction form
6,782,442.90/10,173,664.35 = 6,262,811.70/x - Step 3: Cross multiply
6,782,442.90x = 10,173,664.35 × 6,262,811.70 - Step 4: Simplify right side
6,782,442.90x = 63,715,744,123,052.90 - Step 5: Solve for x
x = 63,715,744,123,052.90/6,782,442.90 - Step 6: Final answer
x = 9,394,217.55
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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.