Finding the Fourth Proportional to 11,721,315.36, 16,175,537.28 and 6,494,483.37
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Solution
The fourth proportional to 11,721,315.36, 16,175,537.28 and 6,494,483.37 is: 8,962,454.69
Step by Step Solution
- Step 1: Write the proportion equation
11,721,315.36 : 16,175,537.28 = 6,494,483.37 : x - Step 2: Convert to fraction form
11,721,315.36/16,175,537.28 = 6,494,483.37/x - Step 3: Cross multiply
11,721,315.36x = 16,175,537.28 × 6,494,483.37 - Step 4: Simplify right side
11,721,315.36x = 105,051,757,865,775.03 - Step 5: Solve for x
x = 105,051,757,865,775.03/11,721,315.36 - Step 6: Final answer
x = 8,962,454.69
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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.