Finding the Fourth Proportional to 8,750,352.80, 13,125,529.20 and 7,952,535.20
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Solution
The fourth proportional to 8,750,352.80, 13,125,529.20 and 7,952,535.20 is: 11,928,802.80
Step by Step Solution
- Step 1: Write the proportion equation
8,750,352.80 : 13,125,529.20 = 7,952,535.20 : x - Step 2: Convert to fraction form
8,750,352.80/13,125,529.20 = 7,952,535.20/x - Step 3: Cross multiply
8,750,352.80x = 13,125,529.20 × 7,952,535.20 - Step 4: Simplify right side
8,750,352.80x = 104,381,232,981,627.84 - Step 5: Solve for x
x = 104,381,232,981,627.84/8,750,352.80 - Step 6: Final answer
x = 11,928,802.80
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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.