Finding the Fourth Proportional to 12,290,236.77, 18,436,240.92 and 4,717,202.52
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Solution
The fourth proportional to 12,290,236.77, 18,436,240.92 and 4,717,202.52 is: 7,076,143.75
Step by Step Solution
- Step 1: Write the proportion equation
12,290,236.77 : 18,436,240.92 = 4,717,202.52 : x - Step 2: Convert to fraction form
12,290,236.77/18,436,240.92 = 4,717,202.52/x - Step 3: Cross multiply
12,290,236.77x = 18,436,240.92 × 4,717,202.52 - Step 4: Simplify right side
12,290,236.77x = 86,967,482,127,151.12 - Step 5: Solve for x
x = 86,967,482,127,151.12/12,290,236.77 - Step 6: Final answer
x = 7,076,143.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.