Finding the Fourth Proportional to 10,384,864.13, 14,331,975.42 and 5,739,556.18
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Solution
The fourth proportional to 10,384,864.13, 14,331,975.42 and 5,739,556.18 is: 7,921,064.45
Step by Step Solution
- Step 1: Write the proportion equation
10,384,864.13 : 14,331,975.42 = 5,739,556.18 : x - Step 2: Convert to fraction form
10,384,864.13/14,331,975.42 = 5,739,556.18/x - Step 3: Cross multiply
10,384,864.13x = 14,331,975.42 × 5,739,556.18 - Step 4: Simplify right side
10,384,864.13x = 82,259,177,993,111.44 - Step 5: Solve for x
x = 82,259,177,993,111.44/10,384,864.13 - Step 6: Final answer
x = 7,921,064.45
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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.