Finding the Fourth Proportional to 7,944,763.92, 11,902,110.12 and 4,696,576.80
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Solution
The fourth proportional to 7,944,763.92, 11,902,110.12 and 4,696,576.80 is: 7,035,976.75
Step by Step Solution
- Step 1: Write the proportion equation
7,944,763.92 : 11,902,110.12 = 4,696,576.80 : x - Step 2: Convert to fraction form
7,944,763.92/11,902,110.12 = 4,696,576.80/x - Step 3: Cross multiply
7,944,763.92x = 11,902,110.12 × 4,696,576.80 - Step 4: Simplify right side
7,944,763.92x = 55,899,174,260,637.21 - Step 5: Solve for x
x = 55,899,174,260,637.21/7,944,763.92 - Step 6: Final answer
x = 7,035,976.75
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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.