Finding the Fourth Proportional to 13,436,474.66, 18,536,482.23 and 8,539,072.10
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Solution
The fourth proportional to 13,436,474.66, 18,536,482.23 and 8,539,072.10 is: 11,780,199.96
Step by Step Solution
- Step 1: Write the proportion equation
13,436,474.66 : 18,536,482.23 = 8,539,072.10 : x - Step 2: Convert to fraction form
13,436,474.66/18,536,482.23 = 8,539,072.10/x - Step 3: Cross multiply
13,436,474.66x = 18,536,482.23 × 8,539,072.10 - Step 4: Simplify right side
13,436,474.66x = 158,284,358,242,338.78 - Step 5: Solve for x
x = 158,284,358,242,338.78/13,436,474.66 - Step 6: Final answer
x = 11,780,199.96
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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.