Finding the Fourth Proportional to 18,028,548.66, 27,069,837.96 and 15,607,170.60
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Solution
The fourth proportional to 18,028,548.66, 27,069,837.96 and 15,607,170.60 is: 23,434,142.54
Step by Step Solution
- Step 1: Write the proportion equation
18,028,548.66 : 27,069,837.96 = 15,607,170.60 : x - Step 2: Convert to fraction form
18,028,548.66/27,069,837.96 = 15,607,170.60/x - Step 3: Cross multiply
18,028,548.66x = 27,069,837.96 × 15,607,170.60 - Step 4: Simplify right side
18,028,548.66x = 422,483,579,156,076 - Step 5: Solve for x
x = 422,483,579,156,076/18,028,548.66 - Step 6: Final answer
x = 23,434,142.54
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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.