Finding the Fourth Proportional to 31,164,709.20, 46,693,919.70 and 26,594,316.60
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Solution
The fourth proportional to 31,164,709.20, 46,693,919.70 and 26,594,316.60 is: 39,846,124.53
Step by Step Solution
- Step 1: Write the proportion equation
31,164,709.20 : 46,693,919.70 = 26,594,316.60 : x - Step 2: Convert to fraction form
31,164,709.20/46,693,919.70 = 26,594,316.60/x - Step 3: Cross multiply
31,164,709.20x = 46,693,919.70 × 26,594,316.60 - Step 4: Simplify right side
31,164,709.20x = 1,241,792,883,796,777.25 - Step 5: Solve for x
x = 1,241,792,883,796,777.25/31,164,709.20 - Step 6: Final answer
x = 39,846,124.53
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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.