Finding the Fourth Proportional to 8,156,742.84, 11,256,593.91 and 4,485,943.53
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Solution
The fourth proportional to 8,156,742.84, 11,256,593.91 and 4,485,943.53 is: 6,190,760.90
Step by Step Solution
- Step 1: Write the proportion equation
8,156,742.84 : 11,256,593.91 = 4,485,943.53 : x - Step 2: Convert to fraction form
8,156,742.84/11,256,593.91 = 4,485,943.53/x - Step 3: Cross multiply
8,156,742.84x = 11,256,593.91 × 4,485,943.53 - Step 4: Simplify right side
8,156,742.84x = 50,496,444,620,401.91 - Step 5: Solve for x
x = 50,496,444,620,401.91/8,156,742.84 - Step 6: Final answer
x = 6,190,760.90
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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.