Finding the Fourth Proportional to 12,643,022.30, 18,962,396.26 and 3,543,027.08
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Solution
The fourth proportional to 12,643,022.30, 18,962,396.26 and 3,543,027.08 is: 5,313,941.70
Step by Step Solution
- Step 1: Write the proportion equation
12,643,022.30 : 18,962,396.26 = 3,543,027.08 : x - Step 2: Convert to fraction form
12,643,022.30/18,962,396.26 = 3,543,027.08/x - Step 3: Cross multiply
12,643,022.30x = 18,962,396.26 × 3,543,027.08 - Step 4: Simplify right side
12,643,022.30x = 67,184,283,347,201.18 - Step 5: Solve for x
x = 67,184,283,347,201.18/12,643,022.30 - Step 6: Final answer
x = 5,313,941.70
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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.