Finding the Fourth Proportional to 21,108,752.06, 29,130,133.92 and 11,450,960.06
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Solution
The fourth proportional to 21,108,752.06, 29,130,133.92 and 11,450,960.06 is: 15,802,355.30
Step by Step Solution
- Step 1: Write the proportion equation
21,108,752.06 : 29,130,133.92 = 11,450,960.06 : x - Step 2: Convert to fraction form
21,108,752.06/29,130,133.92 = 11,450,960.06/x - Step 3: Cross multiply
21,108,752.06x = 29,130,133.92 × 11,450,960.06 - Step 4: Simplify right side
21,108,752.06x = 333,568,000,060,371.25 - Step 5: Solve for x
x = 333,568,000,060,371.25/21,108,752.06 - Step 6: Final answer
x = 15,802,355.30
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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.