Finding the Fourth Proportional to 8,313,485.49, 11,471,598.27 and 4,642,605.99
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Solution
The fourth proportional to 8,313,485.49, 11,471,598.27 and 4,642,605.99 is: 6,406,231.29
Step by Step Solution
- Step 1: Write the proportion equation
8,313,485.49 : 11,471,598.27 = 4,642,605.99 : x - Step 2: Convert to fraction form
8,313,485.49/11,471,598.27 = 4,642,605.99/x - Step 3: Cross multiply
8,313,485.49x = 11,471,598.27 × 4,642,605.99 - Step 4: Simplify right side
8,313,485.49x = 53,258,110,843,175.64 - Step 5: Solve for x
x = 53,258,110,843,175.64/8,313,485.49 - Step 6: Final answer
x = 6,406,231.29
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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.