Finding the Fourth Proportional to 9,325,920, 13,979,541.12 and 3,638,319.36
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Solution
The fourth proportional to 9,325,920, 13,979,541.12 and 3,638,319.36 is: 5,453,835.66
Step by Step Solution
- Step 1: Write the proportion equation
9,325,920 : 13,979,541.12 = 3,638,319.36 : x - Step 2: Convert to fraction form
9,325,920/13,979,541.12 = 3,638,319.36/x - Step 3: Cross multiply
9,325,920x = 13,979,541.12 × 3,638,319.36 - Step 4: Simplify right side
9,325,920x = 50,862,035,100,812.08 - Step 5: Solve for x
x = 50,862,035,100,812.08/9,325,920 - Step 6: Final answer
x = 5,453,835.66
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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.