Finding the Fourth Proportional to 17,539,983.20, 26,321,725.20 and 6,180,456.80
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Solution
The fourth proportional to 17,539,983.20, 26,321,725.20 and 6,180,456.80 is: 9,274,825.62
Step by Step Solution
- Step 1: Write the proportion equation
17,539,983.20 : 26,321,725.20 = 6,180,456.80 : x - Step 2: Convert to fraction form
17,539,983.20/26,321,725.20 = 6,180,456.80/x - Step 3: Cross multiply
17,539,983.20x = 26,321,725.20 × 6,180,456.80 - Step 4: Simplify right side
17,539,983.20x = 162,680,285,500,071.34 - Step 5: Solve for x
x = 162,680,285,500,071.34/17,539,983.20 - Step 6: Final answer
x = 9,274,825.62
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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.