Finding the Fourth Proportional to 12,544,874.14, 17,312,969.74 and 6,963,645.96
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Solution
The fourth proportional to 12,544,874.14, 17,312,969.74 and 6,963,645.96 is: 9,610,410.63
Step by Step Solution
- Step 1: Write the proportion equation
12,544,874.14 : 17,312,969.74 = 6,963,645.96 : x - Step 2: Convert to fraction form
12,544,874.14/17,312,969.74 = 6,963,645.96/x - Step 3: Cross multiply
12,544,874.14x = 17,312,969.74 × 6,963,645.96 - Step 4: Simplify right side
12,544,874.14x = 120,561,391,785,553.23 - Step 5: Solve for x
x = 120,561,391,785,553.23/12,544,874.14 - Step 6: Final answer
x = 9,610,410.63
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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.