Finding the Fourth Proportional to 13,186,562.93, 18,197,216.00 and 7,306,175.67
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Solution
The fourth proportional to 13,186,562.93, 18,197,216.00 and 7,306,175.67 is: 10,082,388.97
Step by Step Solution
- Step 1: Write the proportion equation
13,186,562.93 : 18,197,216.00 = 7,306,175.67 : x - Step 2: Convert to fraction form
13,186,562.93/18,197,216.00 = 7,306,175.67/x - Step 3: Cross multiply
13,186,562.93x = 18,197,216.00 × 7,306,175.67 - Step 4: Simplify right side
13,186,562.93x = 132,952,056,673,417.77 - Step 5: Solve for x
x = 132,952,056,673,417.77/13,186,562.93 - Step 6: Final answer
x = 10,082,388.97
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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.