Finding the Fourth Proportional to 19,172,834.48, 26,459,164.49 and 11,339,061.99
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Solution
The fourth proportional to 19,172,834.48, 26,459,164.49 and 11,339,061.99 is: 15,648,291.68
Step by Step Solution
- Step 1: Write the proportion equation
19,172,834.48 : 26,459,164.49 = 11,339,061.99 : x - Step 2: Convert to fraction form
19,172,834.48/26,459,164.49 = 11,339,061.99/x - Step 3: Cross multiply
19,172,834.48x = 26,459,164.49 × 11,339,061.99 - Step 4: Simplify right side
19,172,834.48x = 300,022,106,355,716.75 - Step 5: Solve for x
x = 300,022,106,355,716.75/19,172,834.48 - Step 6: Final answer
x = 15,648,291.68
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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.