Finding the Fourth Proportional to 8,326,243.08, 11,483,853.57 and 7,166,631.42
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Solution
The fourth proportional to 8,326,243.08, 11,483,853.57 and 7,166,631.42 is: 9,884,475.51
Step by Step Solution
- Step 1: Write the proportion equation
8,326,243.08 : 11,483,853.57 = 7,166,631.42 : x - Step 2: Convert to fraction form
8,326,243.08/11,483,853.57 = 7,166,631.42/x - Step 3: Cross multiply
8,326,243.08x = 11,483,853.57 × 7,166,631.42 - Step 4: Simplify right side
8,326,243.08x = 82,300,545,817,441.17 - Step 5: Solve for x
x = 82,300,545,817,441.17/8,326,243.08 - Step 6: Final answer
x = 9,884,475.51
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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.