Finding the Fourth Proportional to 11,238,890.56, 15,509,668.74 and 6,082,253.08
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Solution
The fourth proportional to 11,238,890.56, 15,509,668.74 and 6,082,253.08 is: 8,393,509.12
Step by Step Solution
- Step 1: Write the proportion equation
11,238,890.56 : 15,509,668.74 = 6,082,253.08 : x - Step 2: Convert to fraction form
11,238,890.56/15,509,668.74 = 6,082,253.08/x - Step 3: Cross multiply
11,238,890.56x = 15,509,668.74 × 6,082,253.08 - Step 4: Simplify right side
11,238,890.56x = 94,333,730,463,644.72 - Step 5: Solve for x
x = 94,333,730,463,644.72/11,238,890.56 - Step 6: Final answer
x = 8,393,509.12
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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.