Finding the Fourth Proportional to 7,770,930.08, 10,723,953.12 and 4,286,402.36
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Solution
The fourth proportional to 7,770,930.08, 10,723,953.12 and 4,286,402.36 is: 5,915,273.65
Step by Step Solution
- Step 1: Write the proportion equation
7,770,930.08 : 10,723,953.12 = 4,286,402.36 : x - Step 2: Convert to fraction form
7,770,930.08/10,723,953.12 = 4,286,402.36/x - Step 3: Cross multiply
7,770,930.08x = 10,723,953.12 × 4,286,402.36 - Step 4: Simplify right side
7,770,930.08x = 45,967,177,962,097.37 - Step 5: Solve for x
x = 45,967,177,962,097.37/7,770,930.08 - Step 6: Final answer
x = 5,915,273.65
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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.