Finding the Fourth Proportional to 8,256,320.16, 12,379,574.10 and 3,139,124.63
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Solution
The fourth proportional to 8,256,320.16, 12,379,574.10 and 3,139,124.63 is: 4,706,821.59
Step by Step Solution
- Step 1: Write the proportion equation
8,256,320.16 : 12,379,574.10 = 3,139,124.63 : x - Step 2: Convert to fraction form
8,256,320.16/12,379,574.10 = 3,139,124.63/x - Step 3: Cross multiply
8,256,320.16x = 12,379,574.10 × 3,139,124.63 - Step 4: Simplify right side
8,256,320.16x = 38,861,025,985,729.04 - Step 5: Solve for x
x = 38,861,025,985,729.04/8,256,320.16 - Step 6: Final answer
x = 4,706,821.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.