Finding the Fourth Proportional to 17,680,670.99, 26,521,013.85 and 7,953,922.79
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Solution
The fourth proportional to 17,680,670.99, 26,521,013.85 and 7,953,922.79 is: 11,930,887.49
Step by Step Solution
- Step 1: Write the proportion equation
17,680,670.99 : 26,521,013.85 = 7,953,922.79 : x - Step 2: Convert to fraction form
17,680,670.99/26,521,013.85 = 7,953,922.79/x - Step 3: Cross multiply
17,680,670.99x = 26,521,013.85 × 7,953,922.79 - Step 4: Simplify right side
17,680,670.99x = 210,946,096,303,045.94 - Step 5: Solve for x
x = 210,946,096,303,045.94/17,680,670.99 - Step 6: Final answer
x = 11,930,887.49
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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.