Finding the Fourth Proportional to 43,638,310, 65,457,793.05 and 19,370,712.84
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Solution
The fourth proportional to 43,638,310, 65,457,793.05 and 19,370,712.84 is: 29,056,214.88
Step by Step Solution
- Step 1: Write the proportion equation
43,638,310 : 65,457,793.05 = 19,370,712.84 : x - Step 2: Convert to fraction form
43,638,310/65,457,793.05 = 19,370,712.84/x - Step 3: Cross multiply
43,638,310x = 65,457,793.05 × 19,370,712.84 - Step 4: Simplify right side
43,638,310x = 1,267,964,112,311,697.75 - Step 5: Solve for x
x = 1,267,964,112,311,697.75/43,638,310 - Step 6: Final answer
x = 29,056,214.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.