Finding the Fourth Proportional to 7,092,993.19, 9,788,341.54 and 4,037,207.44
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Solution
The fourth proportional to 7,092,993.19, 9,788,341.54 and 4,037,207.44 is: 5,571,352.49
Step by Step Solution
- Step 1: Write the proportion equation
7,092,993.19 : 9,788,341.54 = 4,037,207.44 : x - Step 2: Convert to fraction form
7,092,993.19/9,788,341.54 = 4,037,207.44/x - Step 3: Cross multiply
7,092,993.19x = 9,788,341.54 × 4,037,207.44 - Step 4: Simplify right side
7,092,993.19x = 39,517,565,290,549.05 - Step 5: Solve for x
x = 39,517,565,290,549.05/7,092,993.19 - Step 6: Final answer
x = 5,571,352.49
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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.