Finding the Fourth Proportional to 35,470,163.88, 48,949,370.82 and 20,782,315.08
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Solution
The fourth proportional to 35,470,163.88, 48,949,370.82 and 20,782,315.08 is: 28,679,913.94
Step by Step Solution
- Step 1: Write the proportion equation
35,470,163.88 : 48,949,370.82 = 20,782,315.08 : x - Step 2: Convert to fraction form
35,470,163.88/48,949,370.82 = 20,782,315.08/x - Step 3: Cross multiply
35,470,163.88x = 48,949,370.82 × 20,782,315.08 - Step 4: Simplify right side
35,470,163.88x = 1,017,281,247,348,997.88 - Step 5: Solve for x
x = 1,017,281,247,348,997.88/35,470,163.88 - Step 6: Final answer
x = 28,679,913.94
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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.