Finding the Fourth Proportional to 7,206,939.57, 9,945,771.99 and 4,416,014.56
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Solution
The fourth proportional to 7,206,939.57, 9,945,771.99 and 4,416,014.56 is: 6,094,219.81
Step by Step Solution
- Step 1: Write the proportion equation
7,206,939.57 : 9,945,771.99 = 4,416,014.56 : x - Step 2: Convert to fraction form
7,206,939.57/9,945,771.99 = 4,416,014.56/x - Step 3: Cross multiply
7,206,939.57x = 9,945,771.99 × 4,416,014.56 - Step 4: Simplify right side
7,206,939.57x = 43,920,673,918,280.17 - Step 5: Solve for x
x = 43,920,673,918,280.17/7,206,939.57 - Step 6: Final answer
x = 6,094,219.81
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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.