Finding the Fourth Proportional to 7,296,393.13, 10,069,042.81 and 3,988,727.33
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Solution
The fourth proportional to 7,296,393.13, 10,069,042.81 and 3,988,727.33 is: 5,504,454.80
Step by Step Solution
- Step 1: Write the proportion equation
7,296,393.13 : 10,069,042.81 = 3,988,727.33 : x - Step 2: Convert to fraction form
7,296,393.13/10,069,042.81 = 3,988,727.33/x - Step 3: Cross multiply
7,296,393.13x = 10,069,042.81 × 3,988,727.33 - Step 4: Simplify right side
7,296,393.13x = 40,162,666,182,869.96 - Step 5: Solve for x
x = 40,162,666,182,869.96/7,296,393.13 - Step 6: Final answer
x = 5,504,454.80
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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.