Finding the Fourth Proportional to 13,486,410.30, 18,612,950.66 and 8,844,100.95
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Solution
The fourth proportional to 13,486,410.30, 18,612,950.66 and 8,844,100.95 is: 12,205,977.05
Step by Step Solution
- Step 1: Write the proportion equation
13,486,410.30 : 18,612,950.66 = 8,844,100.95 : x - Step 2: Convert to fraction form
13,486,410.30/18,612,950.66 = 8,844,100.95/x - Step 3: Cross multiply
13,486,410.30x = 18,612,950.66 × 8,844,100.95 - Step 4: Simplify right side
13,486,410.30x = 164,614,814,614,409.12 - Step 5: Solve for x
x = 164,614,814,614,409.12/13,486,410.30 - Step 6: Final answer
x = 12,205,977.05
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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.