Finding the Fourth Proportional to 22,088,275.92, 30,481,456.68 and 12,922,471.44
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Solution
The fourth proportional to 22,088,275.92, 30,481,456.68 and 12,922,471.44 is: 17,832,797.58
Step by Step Solution
- Step 1: Write the proportion equation
22,088,275.92 : 30,481,456.68 = 12,922,471.44 : x - Step 2: Convert to fraction form
22,088,275.92/30,481,456.68 = 12,922,471.44/x - Step 3: Cross multiply
22,088,275.92x = 30,481,456.68 × 12,922,471.44 - Step 4: Simplify right side
22,088,275.92x = 393,895,753,396,897.19 - Step 5: Solve for x
x = 393,895,753,396,897.19/22,088,275.92 - Step 6: Final answer
x = 17,832,797.58
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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.