Finding the Fourth Proportional to 13,158,224.82, 18,163,343.61 and 11,779,084.80
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Solution
The fourth proportional to 13,158,224.82, 18,163,343.61 and 11,779,084.80 is: 16,259,607.02
Step by Step Solution
- Step 1: Write the proportion equation
13,158,224.82 : 18,163,343.61 = 11,779,084.80 : x - Step 2: Convert to fraction form
13,158,224.82/18,163,343.61 = 11,779,084.80/x - Step 3: Cross multiply
13,158,224.82x = 18,163,343.61 × 11,779,084.80 - Step 4: Simplify right side
13,158,224.82x = 213,947,564,633,728.12 - Step 5: Solve for x
x = 213,947,564,633,728.12/13,158,224.82 - Step 6: Final answer
x = 16,259,607.02
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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.