Finding the Fourth Proportional to 28,596,528.26, 39,463,489.42 and 15,543,779.12
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Solution
The fourth proportional to 28,596,528.26, 39,463,489.42 and 15,543,779.12 is: 21,450,567.61
Step by Step Solution
- Step 1: Write the proportion equation
28,596,528.26 : 39,463,489.42 = 15,543,779.12 : x - Step 2: Convert to fraction form
28,596,528.26/39,463,489.42 = 15,543,779.12/x - Step 3: Cross multiply
28,596,528.26x = 39,463,489.42 × 15,543,779.12 - Step 4: Simplify right side
28,596,528.26x = 613,411,762,848,936.88 - Step 5: Solve for x
x = 613,411,762,848,936.88/28,596,528.26 - Step 6: Final answer
x = 21,450,567.61
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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.