Finding the Fourth Proportional to 9,982,617.63, 13,776,012.30 and 5,398,938.99
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Solution
The fourth proportional to 9,982,617.63, 13,776,012.30 and 5,398,938.99 is: 7,450,535.79
Step by Step Solution
- Step 1: Write the proportion equation
9,982,617.63 : 13,776,012.30 = 5,398,938.99 : x - Step 2: Convert to fraction form
9,982,617.63/13,776,012.30 = 5,398,938.99/x - Step 3: Cross multiply
9,982,617.63x = 13,776,012.30 × 5,398,938.99 - Step 4: Simplify right side
9,982,617.63x = 74,375,849,933,189.58 - Step 5: Solve for x
x = 74,375,849,933,189.58/9,982,617.63 - Step 6: Final answer
x = 7,450,535.79
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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.