Finding the Fourth Proportional to 18,628,414.08, 27,909,378 and 10,103,313.12
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Solution
The fourth proportional to 18,628,414.08, 27,909,378 and 10,103,313.12 is: 15,136,939.93
Step by Step Solution
- Step 1: Write the proportion equation
18,628,414.08 : 27,909,378 = 10,103,313.12 : x - Step 2: Convert to fraction form
18,628,414.08/27,909,378 = 10,103,313.12/x - Step 3: Cross multiply
18,628,414.08x = 27,909,378 × 10,103,313.12 - Step 4: Simplify right side
18,628,414.08x = 281,977,184,918,439.31 - Step 5: Solve for x
x = 281,977,184,918,439.31/18,628,414.08 - Step 6: Final answer
x = 15,136,939.93
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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.