Finding the Fourth Proportional to 7,762,063.40, 11,648,624.70 and 3,277,557.80
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Solution
The fourth proportional to 7,762,063.40, 11,648,624.70 and 3,277,557.80 is: 4,918,671.59
Step by Step Solution
- Step 1: Write the proportion equation
7,762,063.40 : 11,648,624.70 = 3,277,557.80 : x - Step 2: Convert to fraction form
7,762,063.40/11,648,624.70 = 3,277,557.80/x - Step 3: Cross multiply
7,762,063.40x = 11,648,624.70 × 3,277,557.80 - Step 4: Simplify right side
7,762,063.40x = 38,179,040,744,757.66 - Step 5: Solve for x
x = 38,179,040,744,757.66/7,762,063.40 - Step 6: Final answer
x = 4,918,671.59
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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.