Finding the Fourth Proportional to 33,708,292.36, 46,512,456.26 and 20,470,585.48
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Solution
The fourth proportional to 33,708,292.36, 46,512,456.26 and 20,470,585.48 is: 28,246,379.30
Step by Step Solution
- Step 1: Write the proportion equation
33,708,292.36 : 46,512,456.26 = 20,470,585.48 : x - Step 2: Convert to fraction form
33,708,292.36/46,512,456.26 = 20,470,585.48/x - Step 3: Cross multiply
33,708,292.36x = 46,512,456.26 × 20,470,585.48 - Step 4: Simplify right side
33,708,292.36x = 952,137,211,536,457 - Step 5: Solve for x
x = 952,137,211,536,457/33,708,292.36 - Step 6: Final answer
x = 28,246,379.30
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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.