Finding the Fourth Proportional to 13,610,107.44, 18,781,938 and 7,498,535.94
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Solution
The fourth proportional to 13,610,107.44, 18,781,938 and 7,498,535.94 is: 10,347,973.94
Step by Step Solution
- Step 1: Write the proportion equation
13,610,107.44 : 18,781,938 = 7,498,535.94 : x - Step 2: Convert to fraction form
13,610,107.44/18,781,938 = 7,498,535.94/x - Step 3: Cross multiply
13,610,107.44x = 18,781,938 × 7,498,535.94 - Step 4: Simplify right side
13,610,107.44x = 140,837,037,115,851.72 - Step 5: Solve for x
x = 140,837,037,115,851.72/13,610,107.44 - Step 6: Final answer
x = 10,347,973.94
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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.