Finding the Fourth Proportional to 8,375,631.26, 12,565,466.63 and 2,909,930.56
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Solution
The fourth proportional to 8,375,631.26, 12,565,466.63 and 2,909,930.56 is: 4,365,597.55
Step by Step Solution
- Step 1: Write the proportion equation
8,375,631.26 : 12,565,466.63 = 2,909,930.56 : x - Step 2: Convert to fraction form
8,375,631.26/12,565,466.63 = 2,909,930.56/x - Step 3: Cross multiply
8,375,631.26x = 12,565,466.63 × 2,909,930.56 - Step 4: Simplify right side
8,375,631.26x = 36,564,635,347,297.22 - Step 5: Solve for x
x = 36,564,635,347,297.22/8,375,631.26 - Step 6: Final answer
x = 4,365,597.55
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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.