Finding the Fourth Proportional to 7,761,129.24, 10,710,680.98 and 4,323,369.32
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Solution
The fourth proportional to 7,761,129.24, 10,710,680.98 and 4,323,369.32 is: 5,966,429.38
Step by Step Solution
- Step 1: Write the proportion equation
7,761,129.24 : 10,710,680.98 = 4,323,369.32 : x - Step 2: Convert to fraction form
7,761,129.24/10,710,680.98 = 4,323,369.32/x - Step 3: Cross multiply
7,761,129.24x = 10,710,680.98 × 4,323,369.32 - Step 4: Simplify right side
7,761,129.24x = 46,306,229,545,239.54 - Step 5: Solve for x
x = 46,306,229,545,239.54/7,761,129.24 - Step 6: Final answer
x = 5,966,429.38
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1.5x scale
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.