Finding the Fourth Proportional to 19,822,857.23, 27,360,571.38 and 13,545,926.66
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Solution
The fourth proportional to 19,822,857.23, 27,360,571.38 and 13,545,926.66 is: 18,696,814.94
Step by Step Solution
- Step 1: Write the proportion equation
19,822,857.23 : 27,360,571.38 = 13,545,926.66 : x - Step 2: Convert to fraction form
19,822,857.23/27,360,571.38 = 13,545,926.66/x - Step 3: Cross multiply
19,822,857.23x = 27,360,571.38 × 13,545,926.66 - Step 4: Simplify right side
19,822,857.23x = 370,624,293,254,974.25 - Step 5: Solve for x
x = 370,624,293,254,974.25/19,822,857.23 - Step 6: Final answer
x = 18,696,814.94
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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.