Finding the Fourth Proportional to 10,077,021.09, 15,115,531.53 and 3,345,435.09
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Solution
The fourth proportional to 10,077,021.09, 15,115,531.53 and 3,345,435.09 is: 5,018,152.60
Step by Step Solution
- Step 1: Write the proportion equation
10,077,021.09 : 15,115,531.53 = 3,345,435.09 : x - Step 2: Convert to fraction form
10,077,021.09/15,115,531.53 = 3,345,435.09/x - Step 3: Cross multiply
10,077,021.09x = 15,115,531.53 × 3,345,435.09 - Step 4: Simplify right side
10,077,021.09x = 50,568,029,584,463.38 - Step 5: Solve for x
x = 50,568,029,584,463.38/10,077,021.09 - Step 6: Final answer
x = 5,018,152.60
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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.