Finding the Fourth Proportional to 21,649,161.48, 29,875,604.99 and 11,725,797.28
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Solution
The fourth proportional to 21,649,161.48, 29,875,604.99 and 11,725,797.28 is: 16,181,471.43
Step by Step Solution
- Step 1: Write the proportion equation
21,649,161.48 : 29,875,604.99 = 11,725,797.28 : x - Step 2: Convert to fraction form
21,649,161.48/29,875,604.99 = 11,725,797.28/x - Step 3: Cross multiply
21,649,161.48x = 29,875,604.99 × 11,725,797.28 - Step 4: Simplify right side
21,649,161.48x = 350,315,287,874,758.06 - Step 5: Solve for x
x = 350,315,287,874,758.06/21,649,161.48 - Step 6: Final answer
x = 16,181,471.43
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.