Finding the Fourth Proportional to 8,321,520.60, 12,473,679.30 and 4,526,986.20
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Solution
The fourth proportional to 8,321,520.60, 12,473,679.30 and 4,526,986.20 is: 6,785,799.95
Step by Step Solution
- Step 1: Write the proportion equation
8,321,520.60 : 12,473,679.30 = 4,526,986.20 : x - Step 2: Convert to fraction form
8,321,520.60/12,473,679.30 = 4,526,986.20/x - Step 3: Cross multiply
8,321,520.60x = 12,473,679.30 × 4,526,986.20 - Step 4: Simplify right side
8,321,520.60x = 56,468,174,054,325.66 - Step 5: Solve for x
x = 56,468,174,054,325.66/8,321,520.60 - Step 6: Final answer
x = 6,785,799.95
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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.