Finding the Fourth Proportional to 8,802,181.40, 13,187,525.70 and 5,432,451.80
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Solution
The fourth proportional to 8,802,181.40, 13,187,525.70 and 5,432,451.80 is: 8,138,959.48
Step by Step Solution
- Step 1: Write the proportion equation
8,802,181.40 : 13,187,525.70 = 5,432,451.80 : x - Step 2: Convert to fraction form
8,802,181.40/13,187,525.70 = 5,432,451.80/x - Step 3: Cross multiply
8,802,181.40x = 13,187,525.70 × 5,432,451.80 - Step 4: Simplify right side
8,802,181.40x = 71,640,597,726,511.25 - Step 5: Solve for x
x = 71,640,597,726,511.25/8,802,181.40 - Step 6: Final answer
x = 8,138,959.48
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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.