Finding the Fourth Proportional to 17,474,437.80, 26,211,656.70 and 5,343,877.80
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Solution
The fourth proportional to 17,474,437.80, 26,211,656.70 and 5,343,877.80 is: 8,015,816.70
Step by Step Solution
- Step 1: Write the proportion equation
17,474,437.80 : 26,211,656.70 = 5,343,877.80 : x - Step 2: Convert to fraction form
17,474,437.80/26,211,656.70 = 5,343,877.80/x - Step 3: Cross multiply
17,474,437.80x = 26,211,656.70 × 5,343,877.80 - Step 4: Simplify right side
17,474,437.80x = 140,071,890,340,351.25 - Step 5: Solve for x
x = 140,071,890,340,351.25/17,474,437.80 - Step 6: Final answer
x = 8,015,816.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.