Finding the Fourth Proportional to 12,331,490.40, 18,497,235.60 and 3,233,570.40
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Solution
The fourth proportional to 12,331,490.40, 18,497,235.60 and 3,233,570.40 is: 4,850,355.60
Step by Step Solution
- Step 1: Write the proportion equation
12,331,490.40 : 18,497,235.60 = 3,233,570.40 : x - Step 2: Convert to fraction form
12,331,490.40/18,497,235.60 = 3,233,570.40/x - Step 3: Cross multiply
12,331,490.40x = 18,497,235.60 × 3,233,570.40 - Step 4: Simplify right side
12,331,490.40x = 59,812,113,517,986.24 - Step 5: Solve for x
x = 59,812,113,517,986.24/12,331,490.40 - Step 6: Final answer
x = 4,850,355.60
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Similar ratio
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1.5x scale
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.