Finding the Fourth Proportional to 11,131,972.74, 16,686,305.91 and 4,658,757.03
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Solution
The fourth proportional to 11,131,972.74, 16,686,305.91 and 4,658,757.03 is: 6,983,258.65
Step by Step Solution
- Step 1: Write the proportion equation
11,131,972.74 : 16,686,305.91 = 4,658,757.03 : x - Step 2: Convert to fraction form
11,131,972.74/16,686,305.91 = 4,658,757.03/x - Step 3: Cross multiply
11,131,972.74x = 16,686,305.91 × 4,658,757.03 - Step 4: Simplify right side
11,131,972.74x = 77,737,444,962,943.05 - Step 5: Solve for x
x = 77,737,444,962,943.05/11,131,972.74 - Step 6: Final answer
x = 6,983,258.65
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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.