Finding the Fourth Proportional to 13,623,165.68, 18,804,524.25 and 8,118,266.76
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Solution
The fourth proportional to 13,623,165.68, 18,804,524.25 and 8,118,266.76 is: 11,205,922.90
Step by Step Solution
- Step 1: Write the proportion equation
13,623,165.68 : 18,804,524.25 = 8,118,266.76 : x - Step 2: Convert to fraction form
13,623,165.68/18,804,524.25 = 8,118,266.76/x - Step 3: Cross multiply
13,623,165.68x = 18,804,524.25 × 8,118,266.76 - Step 4: Simplify right side
13,623,165.68x = 152,660,144,156,388.94 - Step 5: Solve for x
x = 152,660,144,156,388.94/13,623,165.68 - Step 6: Final answer
x = 11,205,922.90
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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.