Finding the Fourth Proportional to 11,180,489.40, 16,772,702.40 and 3,996,194.40
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Solution
The fourth proportional to 11,180,489.40, 16,772,702.40 and 3,996,194.40 is: 5,994,995.12
Step by Step Solution
- Step 1: Write the proportion equation
11,180,489.40 : 16,772,702.40 = 3,996,194.40 : x - Step 2: Convert to fraction form
11,180,489.40/16,772,702.40 = 3,996,194.40/x - Step 3: Cross multiply
11,180,489.40x = 16,772,702.40 × 3,996,194.40 - Step 4: Simplify right side
11,180,489.40x = 67,026,979,403,746.56 - Step 5: Solve for x
x = 67,026,979,403,746.56/11,180,489.40 - Step 6: Final answer
x = 5,994,995.12
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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.