Finding the Fourth Proportional to 9,272,292.73, 12,796,529.99 and 5,143,654.99
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Solution
The fourth proportional to 9,272,292.73, 12,796,529.99 and 5,143,654.99 is: 7,098,668.82
Step by Step Solution
- Step 1: Write the proportion equation
9,272,292.73 : 12,796,529.99 = 5,143,654.99 : x - Step 2: Convert to fraction form
9,272,292.73/12,796,529.99 = 5,143,654.99/x - Step 3: Cross multiply
9,272,292.73x = 12,796,529.99 × 5,143,654.99 - Step 4: Simplify right side
9,272,292.73x = 65,820,935,337,748.16 - Step 5: Solve for x
x = 65,820,935,337,748.16/9,272,292.73 - Step 6: Final answer
x = 7,098,668.82
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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.