Finding the Fourth Proportional to 6,747,235.40, 10,125,518.70 and 4,855,334.60
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Solution
The fourth proportional to 6,747,235.40, 10,125,518.70 and 4,855,334.60 is: 7,286,359.28
Step by Step Solution
- Step 1: Write the proportion equation
6,747,235.40 : 10,125,518.70 = 4,855,334.60 : x - Step 2: Convert to fraction form
6,747,235.40/10,125,518.70 = 4,855,334.60/x - Step 3: Cross multiply
6,747,235.40x = 10,125,518.70 × 4,855,334.60 - Step 4: Simplify right side
6,747,235.40x = 49,162,781,287,057.02 - Step 5: Solve for x
x = 49,162,781,287,057.02/6,747,235.40 - Step 6: Final answer
x = 7,286,359.28
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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.