Finding the Fourth Proportional to 19,450,149.31, 26,841,289.73 and 10,629,781.48
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Solution
The fourth proportional to 19,450,149.31, 26,841,289.73 and 10,629,781.48 is: 14,669,144.17
Step by Step Solution
- Step 1: Write the proportion equation
19,450,149.31 : 26,841,289.73 = 10,629,781.48 : x - Step 2: Convert to fraction form
19,450,149.31/26,841,289.73 = 10,629,781.48/x - Step 3: Cross multiply
19,450,149.31x = 26,841,289.73 × 10,629,781.48 - Step 4: Simplify right side
19,450,149.31x = 285,317,044,337,061.75 - Step 5: Solve for x
x = 285,317,044,337,061.75/19,450,149.31 - Step 6: Final answer
x = 14,669,144.17
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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.