Finding the Fourth Proportional to 11,721,312.36, 16,175,533.14 and 6,494,480.37
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Solution
The fourth proportional to 11,721,312.36, 16,175,533.14 and 6,494,480.37 is: 8,962,450.55
Step by Step Solution
- Step 1: Write the proportion equation
11,721,312.36 : 16,175,533.14 = 6,494,480.37 : x - Step 2: Convert to fraction form
11,721,312.36/16,175,533.14 = 6,494,480.37/x - Step 3: Cross multiply
11,721,312.36x = 16,175,533.14 × 6,494,480.37 - Step 4: Simplify right side
11,721,312.36x = 105,051,682,452,014.47 - Step 5: Solve for x
x = 105,051,682,452,014.47/11,721,312.36 - Step 6: Final answer
x = 8,962,450.55
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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.