Finding the Fourth Proportional to 18,455,383.80, 27,674,781.30 and 7,092,055.80
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Solution
The fourth proportional to 18,455,383.80, 27,674,781.30 and 7,092,055.80 is: 10,634,896.32
Step by Step Solution
- Step 1: Write the proportion equation
18,455,383.80 : 27,674,781.30 = 7,092,055.80 : x - Step 2: Convert to fraction form
18,455,383.80/27,674,781.30 = 7,092,055.80/x - Step 3: Cross multiply
18,455,383.80x = 27,674,781.30 × 7,092,055.80 - Step 4: Simplify right side
18,455,383.80x = 196,271,093,232,396.53 - Step 5: Solve for x
x = 196,271,093,232,396.53/18,455,383.80 - Step 6: Final answer
x = 10,634,896.32
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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.