Finding the Fourth Proportional to 8,652,431.68, 12,980,047.20 and 3,604,252.48
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Solution
The fourth proportional to 8,652,431.68, 12,980,047.20 and 3,604,252.48 is: 5,406,961.77
Step by Step Solution
- Step 1: Write the proportion equation
8,652,431.68 : 12,980,047.20 = 3,604,252.48 : x - Step 2: Convert to fraction form
8,652,431.68/12,980,047.20 = 3,604,252.48/x - Step 3: Cross multiply
8,652,431.68x = 12,980,047.20 × 3,604,252.48 - Step 4: Simplify right side
8,652,431.68x = 46,783,367,311,117.05 - Step 5: Solve for x
x = 46,783,367,311,117.05/8,652,431.68 - Step 6: Final answer
x = 5,406,961.77
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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.