Finding the Fourth Proportional to 10,558,921.26, 14,571,320.67 and 5,730,025.26
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Solution
The fourth proportional to 10,558,921.26, 14,571,320.67 and 5,730,025.26 is: 7,907,439.92
Step by Step Solution
- Step 1: Write the proportion equation
10,558,921.26 : 14,571,320.67 = 5,730,025.26 : x - Step 2: Convert to fraction form
10,558,921.26/14,571,320.67 = 5,730,025.26/x - Step 3: Cross multiply
10,558,921.26x = 14,571,320.67 × 5,730,025.26 - Step 4: Simplify right side
10,558,921.26x = 83,494,035,510,660.12 - Step 5: Solve for x
x = 83,494,035,510,660.12/10,558,921.26 - Step 6: Final answer
x = 7,907,439.92
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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.