Finding the Fourth Proportional to 11,545,645.62, 15,932,752.53 and 6,389,003.70
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Solution
The fourth proportional to 11,545,645.62, 15,932,752.53 and 6,389,003.70 is: 8,816,693.17
Step by Step Solution
- Step 1: Write the proportion equation
11,545,645.62 : 15,932,752.53 = 6,389,003.70 : x - Step 2: Convert to fraction form
11,545,645.62/15,932,752.53 = 6,389,003.70/x - Step 3: Cross multiply
11,545,645.62x = 15,932,752.53 × 6,389,003.70 - Step 4: Simplify right side
11,545,645.62x = 101,794,414,865,354.36 - Step 5: Solve for x
x = 101,794,414,865,354.36/11,545,645.62 - Step 6: Final answer
x = 8,816,693.17
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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.