Finding the Fourth Proportional to 7,650,220.50, 11,475,318.44 and 5,246,778.58
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Solution
The fourth proportional to 7,650,220.50, 11,475,318.44 and 5,246,778.58 is: 7,870,159.43
Step by Step Solution
- Step 1: Write the proportion equation
7,650,220.50 : 11,475,318.44 = 5,246,778.58 : x - Step 2: Convert to fraction form
7,650,220.50/11,475,318.44 = 5,246,778.58/x - Step 3: Cross multiply
7,650,220.50x = 11,475,318.44 × 5,246,778.58 - Step 4: Simplify right side
7,650,220.50x = 60,208,454,974,099.66 - Step 5: Solve for x
x = 60,208,454,974,099.66/7,650,220.50 - Step 6: Final answer
x = 7,870,159.43
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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.