Finding the Fourth Proportional to 7,568,107.20, 10,440,355.50 and 4,953,460.15
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Solution
The fourth proportional to 7,568,107.20, 10,440,355.50 and 4,953,460.15 is: 6,833,397.52
Step by Step Solution
- Step 1: Write the proportion equation
7,568,107.20 : 10,440,355.50 = 4,953,460.15 : x - Step 2: Convert to fraction form
7,568,107.20/10,440,355.50 = 4,953,460.15/x - Step 3: Cross multiply
7,568,107.20x = 10,440,355.50 × 4,953,460.15 - Step 4: Simplify right side
7,568,107.20x = 51,715,884,921,083.33 - Step 5: Solve for x
x = 51,715,884,921,083.33/7,568,107.20 - Step 6: Final answer
x = 6,833,397.52
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1.5x scale
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.