Finding the Fourth Proportional to 16,239,521.82, 22,410,539.62 and 8,897,633.12
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Solution
The fourth proportional to 16,239,521.82, 22,410,539.62 and 8,897,633.12 is: 12,278,733.44
Step by Step Solution
- Step 1: Write the proportion equation
16,239,521.82 : 22,410,539.62 = 8,897,633.12 : x - Step 2: Convert to fraction form
16,239,521.82/22,410,539.62 = 8,897,633.12/x - Step 3: Cross multiply
16,239,521.82x = 22,410,539.62 × 8,897,633.12 - Step 4: Simplify right side
16,239,521.82x = 199,400,759,559,984.22 - Step 5: Solve for x
x = 199,400,759,559,984.22/16,239,521.82 - Step 6: Final answer
x = 12,278,733.44
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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.