Finding the Fourth Proportional to 39,450,294.86, 54,436,691.97 and 21,806,814.06
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Solution
The fourth proportional to 39,450,294.86, 54,436,691.97 and 21,806,814.06 is: 30,090,797.15
Step by Step Solution
- Step 1: Write the proportion equation
39,450,294.86 : 54,436,691.97 = 21,806,814.06 : x - Step 2: Convert to fraction form
39,450,294.86/54,436,691.97 = 21,806,814.06/x - Step 3: Cross multiply
39,450,294.86x = 54,436,691.97 × 21,806,814.06 - Step 4: Simplify right side
39,450,294.86x = 1,187,090,819,831,285 - Step 5: Solve for x
x = 1,187,090,819,831,285/39,450,294.86 - Step 6: Final answer
x = 30,090,797.15
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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.