Finding the Fourth Proportional to 9,982,416.09, 13,775,743.44 and 5,398,737.45
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Solution
The fourth proportional to 9,982,416.09, 13,775,743.44 and 5,398,737.45 is: 7,450,262.68
Step by Step Solution
- Step 1: Write the proportion equation
9,982,416.09 : 13,775,743.44 = 5,398,737.45 : x - Step 2: Convert to fraction form
9,982,416.09/13,775,743.44 = 5,398,737.45/x - Step 3: Cross multiply
9,982,416.09x = 13,775,743.44 × 5,398,737.45 - Step 4: Simplify right side
9,982,416.09x = 74,371,622,011,119.83 - Step 5: Solve for x
x = 74,371,622,011,119.83/9,982,416.09 - Step 6: Final answer
x = 7,450,262.68
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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.