Finding the Fourth Proportional to 11,693,025.33, 16,136,479.41 and 6,466,385.28
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Solution
The fourth proportional to 11,693,025.33, 16,136,479.41 and 6,466,385.28 is: 8,923,669.45
Step by Step Solution
- Step 1: Write the proportion equation
11,693,025.33 : 16,136,479.41 = 6,466,385.28 : x - Step 2: Convert to fraction form
11,693,025.33/16,136,479.41 = 6,466,385.28/x - Step 3: Cross multiply
11,693,025.33x = 16,136,479.41 × 6,466,385.28 - Step 4: Simplify right side
11,693,025.33x = 104,344,692,927,847.09 - Step 5: Solve for x
x = 104,344,692,927,847.09/11,693,025.33 - Step 6: Final answer
x = 8,923,669.45
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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.