Finding the Fourth Proportional to 7,568,084.80, 11,357,656.80 and 5,328,596.80
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Solution
The fourth proportional to 7,568,084.80, 11,357,656.80 and 5,328,596.80 is: 7,996,788.52
Step by Step Solution
- Step 1: Write the proportion equation
7,568,084.80 : 11,357,656.80 = 5,328,596.80 : x - Step 2: Convert to fraction form
7,568,084.80/11,357,656.80 = 5,328,596.80/x - Step 3: Cross multiply
7,568,084.80x = 11,357,656.80 × 5,328,596.80 - Step 4: Simplify right side
7,568,084.80x = 60,520,373,679,978.24 - Step 5: Solve for x
x = 60,520,373,679,978.24/7,568,084.80 - Step 6: Final answer
x = 7,996,788.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.