Finding the Fourth Proportional to 13,216,402.26, 19,824,822.09 and 3,631,721.67
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Solution
The fourth proportional to 13,216,402.26, 19,824,822.09 and 3,631,721.67 is: 5,447,642.60
Step by Step Solution
- Step 1: Write the proportion equation
13,216,402.26 : 19,824,822.09 = 3,631,721.67 : x - Step 2: Convert to fraction form
13,216,402.26/19,824,822.09 = 3,631,721.67/x - Step 3: Cross multiply
13,216,402.26x = 19,824,822.09 × 3,631,721.67 - Step 4: Simplify right side
13,216,402.26x = 71,998,235,988,147.69 - Step 5: Solve for x
x = 71,998,235,988,147.69/13,216,402.26 - Step 6: Final answer
x = 5,447,642.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.