Finding the Fourth Proportional to 31,057,616.20, 46,586,424.30 and 19,748,201.80
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Solution
The fourth proportional to 31,057,616.20, 46,586,424.30 and 19,748,201.80 is: 29,622,302.70
Step by Step Solution
- Step 1: Write the proportion equation
31,057,616.20 : 46,586,424.30 = 19,748,201.80 : x - Step 2: Convert to fraction form
31,057,616.20/46,586,424.30 = 19,748,201.80/x - Step 3: Cross multiply
31,057,616.20x = 46,586,424.30 × 19,748,201.80 - Step 4: Simplify right side
31,057,616.20x = 919,998,108,216,823.75 - Step 5: Solve for x
x = 919,998,108,216,823.75/31,057,616.20 - Step 6: Final answer
x = 29,622,302.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.