Finding the Fourth Proportional to 36,023,390.13, 49,711,684.89 and 19,503,382.62
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Solution
The fourth proportional to 36,023,390.13, 49,711,684.89 and 19,503,382.62 is: 26,914,346.70
Step by Step Solution
- Step 1: Write the proportion equation
36,023,390.13 : 49,711,684.89 = 19,503,382.62 : x - Step 2: Convert to fraction form
36,023,390.13/49,711,684.89 = 19,503,382.62/x - Step 3: Cross multiply
36,023,390.13x = 49,711,684.89 × 19,503,382.62 - Step 4: Simplify right side
36,023,390.13x = 969,546,011,094,542.62 - Step 5: Solve for x
x = 969,546,011,094,542.62/36,023,390.13 - Step 6: Final answer
x = 26,914,346.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.