Finding the Fourth Proportional to 12,269,449.12, 18,404,173.68 and 3,749,810.08
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Solution
The fourth proportional to 12,269,449.12, 18,404,173.68 and 3,749,810.08 is: 5,624,715.12
Step by Step Solution
- Step 1: Write the proportion equation
12,269,449.12 : 18,404,173.68 = 3,749,810.08 : x - Step 2: Convert to fraction form
12,269,449.12/18,404,173.68 = 3,749,810.08/x - Step 3: Cross multiply
12,269,449.12x = 18,404,173.68 × 3,749,810.08 - Step 4: Simplify right side
12,269,449.12x = 69,012,155,979,334.70 - Step 5: Solve for x
x = 69,012,155,979,334.70/12,269,449.12 - Step 6: Final answer
x = 5,624,715.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.