Finding the Fourth Proportional to 29,318,649.76, 40,464,593.04 and 16,270,099.84
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Solution
The fourth proportional to 29,318,649.76, 40,464,593.04 and 16,270,099.84 is: 22,455,432.78
Step by Step Solution
- Step 1: Write the proportion equation
29,318,649.76 : 40,464,593.04 = 16,270,099.84 : x - Step 2: Convert to fraction form
29,318,649.76/40,464,593.04 = 16,270,099.84/x - Step 3: Cross multiply
29,318,649.76x = 40,464,593.04 × 16,270,099.84 - Step 4: Simplify right side
29,318,649.76x = 658,362,968,745,769.12 - Step 5: Solve for x
x = 658,362,968,745,769.12/29,318,649.76 - Step 6: Final answer
x = 22,455,432.78
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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.