Finding the Fourth Proportional to 18,305,724.60, 27,457,712.10 and 6,173,998.20
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Solution
The fourth proportional to 18,305,724.60, 27,457,712.10 and 6,173,998.20 is: 9,260,702.25
Step by Step Solution
- Step 1: Write the proportion equation
18,305,724.60 : 27,457,712.10 = 6,173,998.20 : x - Step 2: Convert to fraction form
18,305,724.60/27,457,712.10 = 6,173,998.20/x - Step 3: Cross multiply
18,305,724.60x = 27,457,712.10 × 6,173,998.20 - Step 4: Simplify right side
18,305,724.60x = 169,523,865,081,518.22 - Step 5: Solve for x
x = 169,523,865,081,518.22/18,305,724.60 - Step 6: Final answer
x = 9,260,702.25
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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.