Finding the Fourth Proportional to 18,962,311.41, 26,167,905.77 and 10,260,638.15
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Solution
The fourth proportional to 18,962,311.41, 26,167,905.77 and 10,260,638.15 is: 14,159,635.20
Step by Step Solution
- Step 1: Write the proportion equation
18,962,311.41 : 26,167,905.77 = 10,260,638.15 : x - Step 2: Convert to fraction form
18,962,311.41/26,167,905.77 = 10,260,638.15/x - Step 3: Cross multiply
18,962,311.41x = 26,167,905.77 × 10,260,638.15 - Step 4: Simplify right side
18,962,311.41x = 268,499,412,067,124.41 - Step 5: Solve for x
x = 268,499,412,067,124.41/18,962,311.41 - Step 6: Final answer
x = 14,159,635.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.