Finding the Fourth Proportional to 7,607,372.25, 10,498,427.59 and 4,169,622.09
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Solution
The fourth proportional to 7,607,372.25, 10,498,427.59 and 4,169,622.09 is: 5,754,217.64
Step by Step Solution
- Step 1: Write the proportion equation
7,607,372.25 : 10,498,427.59 = 4,169,622.09 : x - Step 2: Convert to fraction form
7,607,372.25/10,498,427.59 = 4,169,622.09/x - Step 3: Cross multiply
7,607,372.25x = 10,498,427.59 × 4,169,622.09 - Step 4: Simplify right side
7,607,372.25x = 43,774,475,589,529.46 - Step 5: Solve for x
x = 43,774,475,589,529.46/7,607,372.25 - Step 6: Final answer
x = 5,754,217.64
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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.