Finding the Fourth Proportional to 19,228,499.09, 26,553,315.53 and 12,364,906.13
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Solution
The fourth proportional to 19,228,499.09, 26,553,315.53 and 12,364,906.13 is: 17,075,136.88
Step by Step Solution
- Step 1: Write the proportion equation
19,228,499.09 : 26,553,315.53 = 12,364,906.13 : x - Step 2: Convert to fraction form
19,228,499.09/26,553,315.53 = 12,364,906.13/x - Step 3: Cross multiply
19,228,499.09x = 26,553,315.53 × 12,364,906.13 - Step 4: Simplify right side
19,228,499.09x = 328,329,253,968,721.25 - Step 5: Solve for x
x = 328,329,253,968,721.25/19,228,499.09 - Step 6: Final answer
x = 17,075,136.88
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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.