Finding the Fourth Proportional to 13,125,399.96, 18,114,083.19 and 7,246,202.70
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Solution
The fourth proportional to 13,125,399.96, 18,114,083.19 and 7,246,202.70 is: 10,000,329.05
Step by Step Solution
- Step 1: Write the proportion equation
13,125,399.96 : 18,114,083.19 = 7,246,202.70 : x - Step 2: Convert to fraction form
13,125,399.96/18,114,083.19 = 7,246,202.70/x - Step 3: Cross multiply
13,125,399.96x = 18,114,083.19 × 7,246,202.70 - Step 4: Simplify right side
13,125,399.96x = 131,258,318,519,402.62 - Step 5: Solve for x
x = 131,258,318,519,402.62/13,125,399.96 - Step 6: Final answer
x = 10,000,329.05
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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.