Finding the Fourth Proportional to 8,518,368.80, 12,773,866.80 and 3,468,000.80
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Solution
The fourth proportional to 8,518,368.80, 12,773,866.80 and 3,468,000.80 is: 5,200,500.39
Step by Step Solution
- Step 1: Write the proportion equation
8,518,368.80 : 12,773,866.80 = 3,468,000.80 : x - Step 2: Convert to fraction form
8,518,368.80/12,773,866.80 = 3,468,000.80/x - Step 3: Cross multiply
8,518,368.80x = 12,773,866.80 × 3,468,000.80 - Step 4: Simplify right side
8,518,368.80x = 44,299,780,281,493.44 - Step 5: Solve for x
x = 44,299,780,281,493.44/8,518,368.80 - Step 6: Final answer
x = 5,200,500.39
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1.5x scale
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.