Finding the Fourth Proportional to 9,295,930.80, 13,943,896.20 and 4,991,258.70
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Solution
The fourth proportional to 9,295,930.80, 13,943,896.20 and 4,991,258.70 is: 7,486,888.05
Step by Step Solution
- Step 1: Write the proportion equation
9,295,930.80 : 13,943,896.20 = 4,991,258.70 : x - Step 2: Convert to fraction form
9,295,930.80/13,943,896.20 = 4,991,258.70/x - Step 3: Cross multiply
9,295,930.80x = 13,943,896.20 × 4,991,258.70 - Step 4: Simplify right side
9,295,930.80x = 69,597,593,220,146.94 - Step 5: Solve for x
x = 69,597,593,220,146.94/9,295,930.80 - Step 6: Final answer
x = 7,486,888.05
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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.