Finding the Fourth Proportional to 19,988,124.09, 27,583,673.37 and 10,820,744.97
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Solution
The fourth proportional to 19,988,124.09, 27,583,673.37 and 10,820,744.97 is: 14,932,661.69
Step by Step Solution
- Step 1: Write the proportion equation
19,988,124.09 : 27,583,673.37 = 10,820,744.97 : x - Step 2: Convert to fraction form
19,988,124.09/27,583,673.37 = 10,820,744.97/x - Step 3: Cross multiply
19,988,124.09x = 27,583,673.37 × 10,820,744.97 - Step 4: Simplify right side
19,988,124.09x = 298,475,894,872,550.50 - Step 5: Solve for x
x = 298,475,894,872,550.50/19,988,124.09 - Step 6: Final answer
x = 14,932,661.69
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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.