Finding the Fourth Proportional to 13,325,715, 18,389,489.58 and 7,214,193.72
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Solution
The fourth proportional to 13,325,715, 18,389,489.58 and 7,214,193.72 is: 9,955,588.89
Step by Step Solution
- Step 1: Write the proportion equation
13,325,715 : 18,389,489.58 = 7,214,193.72 : x - Step 2: Convert to fraction form
13,325,715/18,389,489.58 = 7,214,193.72/x - Step 3: Cross multiply
13,325,715x = 18,389,489.58 × 7,214,193.72 - Step 4: Simplify right side
13,325,715x = 132,665,340,242,041.42 - Step 5: Solve for x
x = 132,665,340,242,041.42/13,325,715 - Step 6: Final answer
x = 9,955,588.89
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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.