Finding the Fourth Proportional to 18,173,365.40, 27,236,892.90 and 9,657,781.40
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Solution
The fourth proportional to 18,173,365.40, 27,236,892.90 and 9,657,781.40 is: 14,474,366.85
Step by Step Solution
- Step 1: Write the proportion equation
18,173,365.40 : 27,236,892.90 = 9,657,781.40 : x - Step 2: Convert to fraction form
18,173,365.40/27,236,892.90 = 9,657,781.40/x - Step 3: Cross multiply
18,173,365.40x = 27,236,892.90 × 9,657,781.40 - Step 4: Simplify right side
18,173,365.40x = 263,047,957,643,412.06 - Step 5: Solve for x
x = 263,047,957,643,412.06/18,173,365.40 - Step 6: Final answer
x = 14,474,366.85
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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.