Finding the Fourth Proportional to 8,740,276.74, 12,069,197.90 and 5,482,691.03
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Solution
The fourth proportional to 8,740,276.74, 12,069,197.90 and 5,482,691.03 is: 7,570,891.05
Step by Step Solution
- Step 1: Write the proportion equation
8,740,276.74 : 12,069,197.90 = 5,482,691.03 : x - Step 2: Convert to fraction form
8,740,276.74/12,069,197.90 = 5,482,691.03/x - Step 3: Cross multiply
8,740,276.74x = 12,069,197.90 × 5,482,691.03 - Step 4: Simplify right side
8,740,276.74x = 66,171,682,977,865.39 - Step 5: Solve for x
x = 66,171,682,977,865.39/8,740,276.74 - Step 6: Final answer
x = 7,570,891.05
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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.