Finding the Fourth Proportional to 7,390,740.49, 10,125,145.33 and 7,114,419.42
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Solution
The fourth proportional to 7,390,740.49, 10,125,145.33 and 7,114,419.42 is: 9,746,591.78
Step by Step Solution
- Step 1: Write the proportion equation
7,390,740.49 : 10,125,145.33 = 7,114,419.42 : x - Step 2: Convert to fraction form
7,390,740.49/10,125,145.33 = 7,114,419.42/x - Step 3: Cross multiply
7,390,740.49x = 10,125,145.33 × 7,114,419.42 - Step 4: Simplify right side
7,390,740.49x = 72,034,530,530,502.20 - Step 5: Solve for x
x = 72,034,530,530,502.20/7,390,740.49 - Step 6: Final answer
x = 9,746,591.78
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.