Finding the Fourth Proportional to 12,461,210.07, 18,694,751.12 and 4,263,941.54
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Solution
The fourth proportional to 12,461,210.07, 18,694,751.12 and 4,263,941.54 is: 6,396,916.95
Step by Step Solution
- Step 1: Write the proportion equation
12,461,210.07 : 18,694,751.12 = 4,263,941.54 : x - Step 2: Convert to fraction form
12,461,210.07/18,694,751.12 = 4,263,941.54/x - Step 3: Cross multiply
12,461,210.07x = 18,694,751.12 × 4,263,941.54 - Step 4: Simplify right side
12,461,210.07x = 79,713,325,880,529.53 - Step 5: Solve for x
x = 79,713,325,880,529.53/12,461,210.07 - Step 6: Final answer
x = 6,396,916.95
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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.