Finding the Fourth Proportional to 16,260,944.13, 22,440,730.77 and 8,919,086.67
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Solution
The fourth proportional to 16,260,944.13, 22,440,730.77 and 8,919,086.67 is: 12,308,683.99
Step by Step Solution
- Step 1: Write the proportion equation
16,260,944.13 : 22,440,730.77 = 8,919,086.67 : x - Step 2: Convert to fraction form
16,260,944.13/22,440,730.77 = 8,919,086.67/x - Step 3: Cross multiply
16,260,944.13x = 22,440,730.77 × 8,919,086.67 - Step 4: Simplify right side
16,260,944.13x = 200,150,822,675,765.84 - Step 5: Solve for x
x = 200,150,822,675,765.84/16,260,944.13 - Step 6: Final answer
x = 12,308,683.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.