Finding the Fourth Proportional to 13,594,936.96, 18,761,508.16 and 7,399,684.48
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Solution
The fourth proportional to 13,594,936.96, 18,761,508.16 and 7,399,684.48 is: 10,211,834.09
Step by Step Solution
- Step 1: Write the proportion equation
13,594,936.96 : 18,761,508.16 = 7,399,684.48 : x - Step 2: Convert to fraction form
13,594,936.96/18,761,508.16 = 7,399,684.48/x - Step 3: Cross multiply
13,594,936.96x = 18,761,508.16 × 7,399,684.48 - Step 4: Simplify right side
13,594,936.96x = 138,829,240,752,945.36 - Step 5: Solve for x
x = 138,829,240,752,945.36/13,594,936.96 - Step 6: Final answer
x = 10,211,834.09
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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.