Finding the Fourth Proportional to 7,145,724.93, 10,712,562.21 and 3,099,165
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Solution
The fourth proportional to 7,145,724.93, 10,712,562.21 and 3,099,165 is: 4,646,134.32
Step by Step Solution
- Step 1: Write the proportion equation
7,145,724.93 : 10,712,562.21 = 3,099,165 : x - Step 2: Convert to fraction form
7,145,724.93/10,712,562.21 = 3,099,165/x - Step 3: Cross multiply
7,145,724.93x = 10,712,562.21 × 3,099,165 - Step 4: Simplify right side
7,145,724.93x = 33,199,997,861,554.65 - Step 5: Solve for x
x = 33,199,997,861,554.65/7,145,724.93 - Step 6: Final answer
x = 4,646,134.32
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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.