Finding the Fourth Proportional to 10,638,076.60, 15,952,449.30 and 4,246,204.60
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Solution
The fourth proportional to 10,638,076.60, 15,952,449.30 and 4,246,204.60 is: 6,367,444.62
Step by Step Solution
- Step 1: Write the proportion equation
10,638,076.60 : 15,952,449.30 = 4,246,204.60 : x - Step 2: Convert to fraction form
10,638,076.60/15,952,449.30 = 4,246,204.60/x - Step 3: Cross multiply
10,638,076.60x = 15,952,449.30 × 4,246,204.60 - Step 4: Simplify right side
10,638,076.60x = 67,737,363,598,926.77 - Step 5: Solve for x
x = 67,737,363,598,926.77/10,638,076.60 - Step 6: Final answer
x = 6,367,444.62
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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.