Finding the Fourth Proportional to 8,740,286.87, 12,069,211.86 and 5,482,701.15
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Solution
The fourth proportional to 8,740,286.87, 12,069,211.86 and 5,482,701.15 is: 7,570,905.02
Step by Step Solution
- Step 1: Write the proportion equation
8,740,286.87 : 12,069,211.86 = 5,482,701.15 : x - Step 2: Convert to fraction form
8,740,286.87/12,069,211.86 = 5,482,701.15/x - Step 3: Cross multiply
8,740,286.87x = 12,069,211.86 × 5,482,701.15 - Step 4: Simplify right side
8,740,286.87x = 66,171,881,744,415.64 - Step 5: Solve for x
x = 66,171,881,744,415.64/8,740,286.87 - Step 6: Final answer
x = 7,570,905.02
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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.