Finding the Fourth Proportional to 8,375,320.33, 11,554,998.74 and 5,476,408.09
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Solution
The fourth proportional to 8,375,320.33, 11,554,998.74 and 5,476,408.09 is: 7,555,518.60
Step by Step Solution
- Step 1: Write the proportion equation
8,375,320.33 : 11,554,998.74 = 5,476,408.09 : x - Step 2: Convert to fraction form
8,375,320.33/11,554,998.74 = 5,476,408.09/x - Step 3: Cross multiply
8,375,320.33x = 11,554,998.74 × 5,476,408.09 - Step 4: Simplify right side
8,375,320.33x = 63,279,888,552,293.76 - Step 5: Solve for x
x = 63,279,888,552,293.76/8,375,320.33 - Step 6: Final answer
x = 7,555,518.60
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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.