Finding the Fourth Proportional to 18,407,860.08, 27,611,789.28 and 5,628,363.72
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Solution
The fourth proportional to 18,407,860.08, 27,611,789.28 and 5,628,363.72 is: 8,442,545.32
Step by Step Solution
- Step 1: Write the proportion equation
18,407,860.08 : 27,611,789.28 = 5,628,363.72 : x - Step 2: Convert to fraction form
18,407,860.08/27,611,789.28 = 5,628,363.72/x - Step 3: Cross multiply
18,407,860.08x = 27,611,789.28 × 5,628,363.72 - Step 4: Simplify right side
18,407,860.08x = 155,409,193,027,836.91 - Step 5: Solve for x
x = 155,409,193,027,836.91/18,407,860.08 - Step 6: Final answer
x = 8,442,545.32
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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.