Finding the Fourth Proportional to 28,596,508.76, 39,463,462.50 and 15,543,759.62
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Solution
The fourth proportional to 28,596,508.76, 39,463,462.50 and 15,543,759.62 is: 21,450,540.69
Step by Step Solution
- Step 1: Write the proportion equation
28,596,508.76 : 39,463,462.50 = 15,543,759.62 : x - Step 2: Convert to fraction form
28,596,508.76/39,463,462.50 = 15,543,759.62/x - Step 3: Cross multiply
28,596,508.76x = 39,463,462.50 × 15,543,759.62 - Step 4: Simplify right side
28,596,508.76x = 613,410,574,872,884.25 - Step 5: Solve for x
x = 613,410,574,872,884.25/28,596,508.76 - Step 6: Final answer
x = 21,450,540.69
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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.