Finding the Fourth Proportional to 7,789,417.92, 11,684,487.60 and 2,398,309.92
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Solution
The fourth proportional to 7,789,417.92, 11,684,487.60 and 2,398,309.92 is: 3,597,575.94
Step by Step Solution
- Step 1: Write the proportion equation
7,789,417.92 : 11,684,487.60 = 2,398,309.92 : x - Step 2: Convert to fraction form
7,789,417.92/11,684,487.60 = 2,398,309.92/x - Step 3: Cross multiply
7,789,417.92x = 11,684,487.60 × 2,398,309.92 - Step 4: Simplify right side
7,789,417.92x = 28,023,022,521,196.99 - Step 5: Solve for x
x = 28,023,022,521,196.99/7,789,417.92 - Step 6: Final answer
x = 3,597,575.94
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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.