Finding the Fourth Proportional to 7,672,871.68, 10,588,563.84 and 4,235,113.64
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Solution
The fourth proportional to 7,672,871.68, 10,588,563.84 and 4,235,113.64 is: 5,844,457.33
Step by Step Solution
- Step 1: Write the proportion equation
7,672,871.68 : 10,588,563.84 = 4,235,113.64 : x - Step 2: Convert to fraction form
7,672,871.68/10,588,563.84 = 4,235,113.64/x - Step 3: Cross multiply
7,672,871.68x = 10,588,563.84 × 4,235,113.64 - Step 4: Simplify right side
7,672,871.68x = 44,843,771,146,794.77 - Step 5: Solve for x
x = 44,843,771,146,794.77/7,672,871.68 - Step 6: Final answer
x = 5,844,457.33
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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.