Finding the Fourth Proportional to 8,310,814.40, 12,466,804.80 and 4,718,302.40
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Solution
The fourth proportional to 8,310,814.40, 12,466,804.80 and 4,718,302.40 is: 7,077,784.70
Step by Step Solution
- Step 1: Write the proportion equation
8,310,814.40 : 12,466,804.80 = 4,718,302.40 : x - Step 2: Convert to fraction form
8,310,814.40/12,466,804.80 = 4,718,302.40/x - Step 3: Cross multiply
8,310,814.40x = 12,466,804.80 × 4,718,302.40 - Step 4: Simplify right side
8,310,814.40x = 58,822,155,008,171.53 - Step 5: Solve for x
x = 58,822,155,008,171.53/8,310,814.40 - Step 6: Final answer
x = 7,077,784.70
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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.