Finding the Fourth Proportional to 11,227,159.80, 16,840,739.70 and 6,975,631.80
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Solution
The fourth proportional to 11,227,159.80, 16,840,739.70 and 6,975,631.80 is: 10,463,447.70
Step by Step Solution
- Step 1: Write the proportion equation
11,227,159.80 : 16,840,739.70 = 6,975,631.80 : x - Step 2: Convert to fraction form
11,227,159.80/16,840,739.70 = 6,975,631.80/x - Step 3: Cross multiply
11,227,159.80x = 16,840,739.70 × 6,975,631.80 - Step 4: Simplify right side
11,227,159.80x = 117,474,799,386,842.45 - Step 5: Solve for x
x = 117,474,799,386,842.45/11,227,159.80 - Step 6: Final answer
x = 10,463,447.70
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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.