Finding the Fourth Proportional to 7,029,812.28, 10,544,619.98 and 2,770,017.42
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Solution
The fourth proportional to 7,029,812.28, 10,544,619.98 and 2,770,017.42 is: 4,154,987.34
Step by Step Solution
- Step 1: Write the proportion equation
7,029,812.28 : 10,544,619.98 = 2,770,017.42 : x - Step 2: Convert to fraction form
7,029,812.28/10,544,619.98 = 2,770,017.42/x - Step 3: Cross multiply
7,029,812.28x = 10,544,619.98 × 2,770,017.42 - Step 4: Simplify right side
7,029,812.28x = 29,208,781,031,880.05 - Step 5: Solve for x
x = 29,208,781,031,880.05/7,029,812.28 - Step 6: Final answer
x = 4,154,987.34
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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.