Finding the Fourth Proportional to 25,707,285.65, 35,476,122.97 and 13,946,553.99
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Solution
The fourth proportional to 25,707,285.65, 35,476,122.97 and 13,946,553.99 is: 19,246,281.82
Step by Step Solution
- Step 1: Write the proportion equation
25,707,285.65 : 35,476,122.97 = 13,946,553.99 : x - Step 2: Convert to fraction form
25,707,285.65/35,476,122.97 = 13,946,553.99/x - Step 3: Cross multiply
25,707,285.65x = 35,476,122.97 × 13,946,553.99 - Step 4: Simplify right side
25,707,285.65x = 494,769,664,455,153.25 - Step 5: Solve for x
x = 494,769,664,455,153.25/25,707,285.65 - Step 6: Final answer
x = 19,246,281.82
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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.