Finding the Fourth Proportional to 9,401,635.75, 12,970,242.04 and 6,495,982.08
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Solution
The fourth proportional to 9,401,635.75, 12,970,242.04 and 6,495,982.08 is: 8,961,680.94
Step by Step Solution
- Step 1: Write the proportion equation
9,401,635.75 : 12,970,242.04 = 6,495,982.08 : x - Step 2: Convert to fraction form
9,401,635.75/12,970,242.04 = 6,495,982.08/x - Step 3: Cross multiply
9,401,635.75x = 12,970,242.04 × 6,495,982.08 - Step 4: Simplify right side
9,401,635.75x = 84,254,459,865,102.64 - Step 5: Solve for x
x = 84,254,459,865,102.64/9,401,635.75 - Step 6: Final answer
x = 8,961,680.94
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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.