Finding the Fourth Proportional to 7,865,604.96, 10,854,552.56 and 4,380,915.68
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Solution
The fourth proportional to 7,865,604.96, 10,854,552.56 and 4,380,915.68 is: 6,045,673.51
Step by Step Solution
- Step 1: Write the proportion equation
7,865,604.96 : 10,854,552.56 = 4,380,915.68 : x - Step 2: Convert to fraction form
7,865,604.96/10,854,552.56 = 4,380,915.68/x - Step 3: Cross multiply
7,865,604.96x = 10,854,552.56 × 4,380,915.68 - Step 4: Simplify right side
7,865,604.96x = 47,552,879,509,488.14 - Step 5: Solve for x
x = 47,552,879,509,488.14/7,865,604.96 - Step 6: Final answer
x = 6,045,673.51
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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.