Finding the Fourth Proportional to 12,616,464.65, 17,410,736.70 and 6,815,246.48
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Solution
The fourth proportional to 12,616,464.65, 17,410,736.70 and 6,815,246.48 is: 9,405,048.50
Step by Step Solution
- Step 1: Write the proportion equation
12,616,464.65 : 17,410,736.70 = 6,815,246.48 : x - Step 2: Convert to fraction form
12,616,464.65/17,410,736.70 = 6,815,246.48/x - Step 3: Cross multiply
12,616,464.65x = 17,410,736.70 × 6,815,246.48 - Step 4: Simplify right side
12,616,464.65x = 118,658,461,921,828.12 - Step 5: Solve for x
x = 118,658,461,921,828.12/12,616,464.65 - Step 6: Final answer
x = 9,405,048.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.