Finding the Fourth Proportional to 17,419,289.98, 26,129,951.85 and 5,289,149.14
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Solution
The fourth proportional to 17,419,289.98, 26,129,951.85 and 5,289,149.14 is: 7,934,032.47
Step by Step Solution
- Step 1: Write the proportion equation
17,419,289.98 : 26,129,951.85 = 5,289,149.14 : x - Step 2: Convert to fraction form
17,419,289.98/26,129,951.85 = 5,289,149.14/x - Step 3: Cross multiply
17,419,289.98x = 26,129,951.85 × 5,289,149.14 - Step 4: Simplify right side
17,419,289.98x = 138,205,212,355,668.91 - Step 5: Solve for x
x = 138,205,212,355,668.91/17,419,289.98 - Step 6: Final answer
x = 7,934,032.47
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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.