Finding the Fourth Proportional to 28,596,526.26, 39,463,486.65 and 15,543,777.12
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Solution
The fourth proportional to 28,596,526.26, 39,463,486.65 and 15,543,777.12 is: 21,450,564.84
Step by Step Solution
- Step 1: Write the proportion equation
28,596,526.26 : 39,463,486.65 = 15,543,777.12 : x - Step 2: Convert to fraction form
28,596,526.26/39,463,486.65 = 15,543,777.12/x - Step 3: Cross multiply
28,596,526.26x = 39,463,486.65 × 15,543,777.12 - Step 4: Simplify right side
28,596,526.26x = 613,411,640,865,695.38 - Step 5: Solve for x
x = 613,411,640,865,695.38/28,596,526.26 - Step 6: Final answer
x = 21,450,564.84
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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.