Finding the Fourth Proportional to 28,496,222.91, 39,344,091.57 and 18,051,507.99
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Solution
The fourth proportional to 28,496,222.91, 39,344,091.57 and 18,051,507.99 is: 24,923,309.51
Step by Step Solution
- Step 1: Write the proportion equation
28,496,222.91 : 39,344,091.57 = 18,051,507.99 : x - Step 2: Convert to fraction form
28,496,222.91/39,344,091.57 = 18,051,507.99/x - Step 3: Cross multiply
28,496,222.91x = 39,344,091.57 × 18,051,507.99 - Step 4: Simplify right side
28,496,222.91x = 710,220,183,335,146.62 - Step 5: Solve for x
x = 710,220,183,335,146.62/28,496,222.91 - Step 6: Final answer
x = 24,923,309.51
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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.