Finding the Fourth Proportional to 8,346,495.40, 12,503,442.50 and 5,752,340.80
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Solution
The fourth proportional to 8,346,495.40, 12,503,442.50 and 5,752,340.80 is: 8,617,276.95
Step by Step Solution
- Step 1: Write the proportion equation
8,346,495.40 : 12,503,442.50 = 5,752,340.80 : x - Step 2: Convert to fraction form
8,346,495.40/12,503,442.50 = 5,752,340.80/x - Step 3: Cross multiply
8,346,495.40x = 12,503,442.50 × 5,752,340.80 - Step 4: Simplify right side
8,346,495.40x = 71,924,062,433,204 - Step 5: Solve for x
x = 71,924,062,433,204/8,346,495.40 - Step 6: Final answer
x = 8,617,276.95
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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.